{"title":"Cleanroom AMC Filters | Sub-PPM Semiconductor, Pharmaceutical","description":"\u003cp\u003eFilters engineered for \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — the demanding gas-phase filtration spec for semiconductor manufacturing, cleanroom, pharmaceutical compounding, and high-purity process applications. Koch DuraKleen with CPS (Celbond Particulate Structure) bicomponent fiber technology and 500 gsm 20x50 mesh carbon is the primary platform; available in Single Header, No Header (Box Style), and Double Header configurations at MERV 8 or MERV 15.\u003c\/p\u003e","products":[{"product_id":"koch-durakleen-single-header-merv-8-cps-carbon-filter","title":"Koch DuraKleen Single Header MERV 8 (CPS Carbon V-Cell Gas-Phase Filter)","description":"\u003cp\u003ePer Koch Bulletin \u003cstrong\u003ePB-1202\u003c\/strong\u003e, the Koch \u003cstrong\u003eDuraKleen Single Header MERV 8\u003c\/strong\u003e is a \u003cstrong\u003ehigh-efficiency gas-phase V-cell carbon filter\u003c\/strong\u003e engineered for environments with \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at sub-ppm levels. The DuraKleen uses Koch's patented \u003cstrong\u003eCelbond Particulate Structure (CPS) technology\u003c\/strong\u003e, suspending \u003cstrong\u003e500 gsm of 20x50 mesh activated carbon\u003c\/strong\u003e in a tightly bonded three-dimensional network of bicomponent fibers. This Single Header configuration is rated \u003cstrong\u003eMERV 8\u003c\/strong\u003e and is sized to fit single header housing configurations.\u003c\/p\u003e\u003ch3\u003eWhat you get: V-cell gas-phase carbon filters, sold by the case\u003c\/h3\u003e\u003cp\u003eEach variant is a complete DuraKleen Single Header MERV 8 V-cell filter with the CPS-technology carbon media. All variants are \u003cstrong\u003e12″ deep\u003c\/strong\u003e; pricing varies by face dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x25″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 5 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x20″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 3.7 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e — 3 lbs carbon, Case of 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSizes marked \"additional size\" are stocked by RTF beyond Koch's PB-1202 standard published sizes (24x24x12, 20x24x12, 12x24x12). The 20x20x12 and 20x25x12 dimensions use the same CPS construction at proportional carbon load.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eCelbond Particulate Structure (CPS) technology\u003c\/h3\u003e\u003cp\u003eCPS technology is the key differentiator that distinguishes DuraKleen from standard honeycomb carbon filters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon distribution:\u003c\/strong\u003e Activated carbon is suspended in uniform distribution throughout a tightly bonded three-dimensional network of bicomponent fibers — no honeycomb cells or loose granular carbon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon mesh size:\u003c\/strong\u003e \u003cstrong\u003e20x50 mesh\u003c\/strong\u003e — small mesh = high efficiency. Smaller carbon particles expose more surface area to the airstream per unit volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon load:\u003c\/strong\u003e 500 gsm. The combination of small mesh and high gsm gives DuraKleen an outstanding balance of first-pass removal efficiency, filter life, and low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding efficiency:\u003c\/strong\u003e The fiber-to-carbon bond obstructs only approximately 1% of the carbon's surface area, leaving roughly 99% available for gas adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTortuous airflow path:\u003c\/strong\u003e Gas contaminants pass through tortuous pathways inside the CPS media, ensuring intimate contact between contaminant molecules and the carbon adsorption surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates post-filtration:\u003c\/strong\u003e The fiber-to-carbon bond eliminates the need for post-filtration in most applications — the carbon stays where it's placed and doesn't shed downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraKleen Single Header MERV 8 construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Extended-surface V-cell carbon filter, 12″ deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia technology:\u003c\/strong\u003e Celbond Particulate Structure (CPS) — activated carbon suspended in 3D bicomponent fiber network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e 500 gsm of 20x50 mesh activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e \u003cstrong\u003e0.24″ w.g.\u003c\/strong\u003e @ 500 FPM — substantially lower than DuraPure honeycomb-cell filters at the same face velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration:\u003c\/strong\u003e Single Header — mounting flange configuration: single header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e MERV 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable depths:\u003c\/strong\u003e 12″ only (deep V-cell architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filter:\u003c\/strong\u003e Koch positions DuraKleen as an \u003cem\u003e\"excellent polishing filter for high contaminant concentrations.\"\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposability:\u003c\/strong\u003e Single-use disposable; not washable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch published dimensions and media area (PB-1202)\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eNominal Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eActual Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eInitial Resistance @ 500 FPM\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eMedia Area\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e23.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e55 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e19.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e44 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e11.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e24 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe table above documents Koch's standard published sizes per PB-1202. RTF also stocks 20″x20″x12″ and 20″x25″x12″ in the same DuraKleen CPS construction; carbon load and media area scale proportionally with face dimensions.\u003c\/p\u003e\u003ch3\u003eAirborne molecular contamination (AMC) and polishing filtration\u003c\/h3\u003e\u003cp\u003eDuraKleen is engineered for environments where gas-phase contaminants need to be reduced to \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — concentrations where standard carbon filtration starts to lose effectiveness. Typical AMC applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanrooms and semiconductor manufacturing:\u003c\/strong\u003e trace amines, acids, and organics that interfere with photolithography and surface chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuseum and archive preservation:\u003c\/strong\u003e trace acids and oxidants that degrade paper, photographs, textiles, and artwork over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical manufacturing:\u003c\/strong\u003e trace contaminants that affect product purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital sensitive areas:\u003c\/strong\u003e sub-ppm gas-phase contaminants in operating theaters, isolation rooms, and laboratory spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filtration:\u003c\/strong\u003e Used downstream of higher-capacity filters (such as DuraPure) to reduce residual contaminant concentrations to levels that primary filters can't reach efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDuraKleen is also \u003cstrong\u003eavailable in other media options for the removal of specific types of amines and acid gases\u003c\/strong\u003e — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your target contaminant profile.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eDuraKleen is specified for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChemical Storage Rooms\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eSports Arenas\u003c\/li\u003e\n\u003cli\u003eLaboratories\u003c\/li\u003e\n\u003cli\u003eAirports\u003c\/li\u003e\n\u003cli\u003eCasinos\u003c\/li\u003e\n\u003cli\u003eMuseums and Archives\u003c\/li\u003e\n\u003cli\u003eIndustrial Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical\u003c\/li\u003e\n\u003cli\u003eCommercial Buildings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your DuraKleen configuration\u003c\/h3\u003e\u003cp\u003eDuraKleen ships in five configurations for housing compatibility and integrated particulate filtration capacity. The choice depends on your existing filter housing and what level of integrated particulate capture you need alongside the gas-phase performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-15-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-8-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-15-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-double-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Double Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure which configuration fits your existing filter housing, \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e with your housing make\/model and we'll help you specify the right header configuration. The MERV rating reflects the integrated particulate filtration capacity of the configuration; all configurations share the same Koch CPS gas-phase carbon performance.\u003c\/p\u003e\u003ch3\u003eDuraKleen vs DuraPure — choosing your gas-phase platform\u003c\/h3\u003e\u003cp\u003eKoch produces two extended-surface 12″-deep carbon filter platforms. They serve different gas-phase use cases:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraKleen (this product family):\u003c\/strong\u003e CPS bicomponent fiber media with 500 gsm 20x50 mesh carbon. Initial resistance \u003cstrong\u003e0.24″ w.g. @ 500 FPM\u003c\/strong\u003e. Engineered for \u003cstrong\u003esub-ppm AMC removal\u003c\/strong\u003e and polishing filtration. Koch's breakthrough analysis shows DuraKleen outperforming honeycomb carbon designs at low concentration levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-standard-capacity-v-cell-carbon-filter\"\u003eDuraPure Standard Capacity\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-high-capacity-v-cell-carbon-filter\"\u003eDuraPure High Capacity\u003c\/a\u003e:\u003c\/strong\u003e Honeycomb carbon cells with premium coconut shell granular carbon. 18–26 lbs carbon load per filter, 0.34–0.74″ w.g. initial resistance. Engineered for \u003cstrong\u003ehigh-volume gas-phase capacity\u003c\/strong\u003e at moderate contaminant concentrations — specified for airports, industrial facilities, chemical plants, office buildings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor lower-depth gas-phase filtration in 1″\/2″\/4″ pleated panel form factors, see the Koch \u003ca href=\"\/products\/koch-odorkleen-es-merv-8-carbon-particulate-filter\"\u003eOdorKleen ES\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-250-carbonweb-merv-8-carbon-particulate-filter\"\u003eOdorKleen 250\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-200-m13-merv-13-carbon-particulate-filter\"\u003eOdorKleen 200\/M13\u003c\/a\u003e, and \u003ca href=\"\/products\/koch-odorkleen-600-carbonweb-merv-10-carbon-particulate-filter\"\u003eOdorKleen 600\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes are nominal.\u003c\/strong\u003e Per Koch PB-1202, actual dimensions are slightly less: 24x24x12 nominal = 23.38″ x 23.38″ x 11.50″ actual; same 1\/2″-1″ pattern across sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″ deep filters require deep filter racks.\u003c\/strong\u003e Verify your filter housing accommodates 12″ depth before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration is housing-specific.\u003c\/strong\u003e This product is the Single Header configuration. If your housing requires a different header type, see the \u003cstrong\u003eChoosing your DuraKleen configuration\u003c\/strong\u003e section above for cross-links to the other configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Call for Quote\" sizes:\u003c\/strong\u003e Some configuration\/size combinations are special-order only. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for these or for facility-scale orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty media:\u003c\/strong\u003e DuraKleen is also available with specialized media for amines and acid gases. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your target contaminant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement schedule:\u003c\/strong\u003e Drive by pressure drop curve and breakthrough monitoring. For sub-ppm AMC applications, monitor downstream concentration directly — pressure drop alone may not signal breakthrough at trace contaminant levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon disposal:\u003c\/strong\u003e Spent CPS media may have specific disposal requirements depending on captured contaminants. Follow your local hazardous waste regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch product literature\u003c\/h3\u003e\u003cp\u003eDetailed product specifications, Dynamic Breakthrough Analysis, and complete performance data for Koch DuraKleen are published in \u003cstrong\u003eKoch Bulletin PB-1202\u003c\/strong\u003e: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/DuraKleen.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDuraKleen Product Specification PDF\u003c\/a\u003e (Koch Filter Corporation). For specialty media variants targeting amines or acid gases, consult Koch Filter Corporation (\u003ca href=\"https:\/\/www.kochfilter.com\/\" target=\"_blank\" rel=\"noopener\"\u003ekochfilter.com\u003c\/a\u003e) or \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24\"x24\"x12\" (Case of 1)","offer_id":44119158161530,"sku":"112-685-001","price":691.91,"currency_code":"USD","in_stock":true},{"title":"20\"x25\"x12\" (Case of 1)","offer_id":44119158194298,"sku":"112-685-015","price":622.1,"currency_code":"USD","in_stock":true},{"title":"20\"x24\"x12\" (Case of 1)","offer_id":44119158227066,"sku":"112-685-006","price":619.54,"currency_code":"USD","in_stock":true},{"title":"20\"x20\"x12\" (Case of 1)","offer_id":44119158259834,"sku":"112-685-005","price":488.54,"currency_code":"USD","in_stock":true},{"title":"12\"x24\"x12\" (Case of 2)","offer_id":44119158292602,"sku":"112-685-002","price":860.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_1eceb39b-845e-4290-866a-dbb2195b1cbc.png?v=1777864360"},{"product_id":"koch-durakleen-single-header-merv-15-cps-carbon-filter","title":"Koch DuraKleen Single Header MERV 15 (CPS Carbon V-Cell Gas-Phase Filter)","description":"\u003cp\u003ePer Koch Bulletin \u003cstrong\u003ePB-1202\u003c\/strong\u003e, the Koch \u003cstrong\u003eDuraKleen Single Header MERV 15\u003c\/strong\u003e is a \u003cstrong\u003ehigh-efficiency gas-phase V-cell carbon filter\u003c\/strong\u003e engineered for environments with \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at sub-ppm levels. The DuraKleen uses Koch's patented \u003cstrong\u003eCelbond Particulate Structure (CPS) technology\u003c\/strong\u003e, suspending \u003cstrong\u003e500 gsm of 20x50 mesh activated carbon\u003c\/strong\u003e in a tightly bonded three-dimensional network of bicomponent fibers. This Single Header configuration is rated \u003cstrong\u003eMERV 15\u003c\/strong\u003e and is sized to fit single header housing configurations.\u003c\/p\u003e\u003ch3\u003eWhat you get: V-cell gas-phase carbon filters, sold by the case\u003c\/h3\u003e\u003cp\u003eEach variant is a complete DuraKleen Single Header MERV 15 V-cell filter with the CPS-technology carbon media. All variants are \u003cstrong\u003e12″ deep\u003c\/strong\u003e; pricing varies by face dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x25″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 5 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x20″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 3.7 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e — 3 lbs carbon, Case of 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSizes marked \"additional size\" are stocked by RTF beyond Koch's PB-1202 standard published sizes (24x24x12, 20x24x12, 12x24x12). The 20x20x12 and 20x25x12 dimensions use the same CPS construction at proportional carbon load.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eCelbond Particulate Structure (CPS) technology\u003c\/h3\u003e\u003cp\u003eCPS technology is the key differentiator that distinguishes DuraKleen from standard honeycomb carbon filters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon distribution:\u003c\/strong\u003e Activated carbon is suspended in uniform distribution throughout a tightly bonded three-dimensional network of bicomponent fibers — no honeycomb cells or loose granular carbon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon mesh size:\u003c\/strong\u003e \u003cstrong\u003e20x50 mesh\u003c\/strong\u003e — small mesh = high efficiency. Smaller carbon particles expose more surface area to the airstream per unit volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon load:\u003c\/strong\u003e 500 gsm. The combination of small mesh and high gsm gives DuraKleen an outstanding balance of first-pass removal efficiency, filter life, and low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding efficiency:\u003c\/strong\u003e The fiber-to-carbon bond obstructs only approximately 1% of the carbon's surface area, leaving roughly 99% available for gas adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTortuous airflow path:\u003c\/strong\u003e Gas contaminants pass through tortuous pathways inside the CPS media, ensuring intimate contact between contaminant molecules and the carbon adsorption surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates post-filtration:\u003c\/strong\u003e The fiber-to-carbon bond eliminates the need for post-filtration in most applications — the carbon stays where it's placed and doesn't shed downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraKleen Single Header MERV 15 construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Extended-surface V-cell carbon filter, 12″ deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia technology:\u003c\/strong\u003e Celbond Particulate Structure (CPS) — activated carbon suspended in 3D bicomponent fiber network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e 500 gsm of 20x50 mesh activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e \u003cstrong\u003e0.24″ w.g.\u003c\/strong\u003e @ 500 FPM — substantially lower than DuraPure honeycomb-cell filters at the same face velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration:\u003c\/strong\u003e Single Header — mounting flange configuration: single header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e MERV 15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable depths:\u003c\/strong\u003e 12″ only (deep V-cell architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filter:\u003c\/strong\u003e Koch positions DuraKleen as an \u003cem\u003e\"excellent polishing filter for high contaminant concentrations.\"\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposability:\u003c\/strong\u003e Single-use disposable; not washable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch published dimensions and media area (PB-1202)\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eNominal Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eActual Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eInitial Resistance @ 500 FPM\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eMedia Area\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e23.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e55 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e19.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e44 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e11.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e24 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe table above documents Koch's standard published sizes per PB-1202. RTF also stocks 20″x20″x12″ and 20″x25″x12″ in the same DuraKleen CPS construction; carbon load and media area scale proportionally with face dimensions.\u003c\/p\u003e\u003ch3\u003eAirborne molecular contamination (AMC) and polishing filtration\u003c\/h3\u003e\u003cp\u003eDuraKleen is engineered for environments where gas-phase contaminants need to be reduced to \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — concentrations where standard carbon filtration starts to lose effectiveness. Typical AMC applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanrooms and semiconductor manufacturing:\u003c\/strong\u003e trace amines, acids, and organics that interfere with photolithography and surface chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuseum and archive preservation:\u003c\/strong\u003e trace acids and oxidants that degrade paper, photographs, textiles, and artwork over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical manufacturing:\u003c\/strong\u003e trace contaminants that affect product purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital sensitive areas:\u003c\/strong\u003e sub-ppm gas-phase contaminants in operating theaters, isolation rooms, and laboratory spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filtration:\u003c\/strong\u003e Used downstream of higher-capacity filters (such as DuraPure) to reduce residual contaminant concentrations to levels that primary filters can't reach efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDuraKleen is also \u003cstrong\u003eavailable in other media options for the removal of specific types of amines and acid gases\u003c\/strong\u003e — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your target contaminant profile.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eDuraKleen is specified for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChemical Storage Rooms\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eSports Arenas\u003c\/li\u003e\n\u003cli\u003eLaboratories\u003c\/li\u003e\n\u003cli\u003eAirports\u003c\/li\u003e\n\u003cli\u003eCasinos\u003c\/li\u003e\n\u003cli\u003eMuseums and Archives\u003c\/li\u003e\n\u003cli\u003eIndustrial Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical\u003c\/li\u003e\n\u003cli\u003eCommercial Buildings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your DuraKleen configuration\u003c\/h3\u003e\u003cp\u003eDuraKleen ships in five configurations for housing compatibility and integrated particulate filtration capacity. The choice depends on your existing filter housing and what level of integrated particulate capture you need alongside the gas-phase performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-8-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-15-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-double-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Double Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure which configuration fits your existing filter housing, \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e with your housing make\/model and we'll help you specify the right header configuration. The MERV rating reflects the integrated particulate filtration capacity of the configuration; all configurations share the same Koch CPS gas-phase carbon performance.\u003c\/p\u003e\u003ch3\u003eDuraKleen vs DuraPure — choosing your gas-phase platform\u003c\/h3\u003e\u003cp\u003eKoch produces two extended-surface 12″-deep carbon filter platforms. They serve different gas-phase use cases:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraKleen (this product family):\u003c\/strong\u003e CPS bicomponent fiber media with 500 gsm 20x50 mesh carbon. Initial resistance \u003cstrong\u003e0.24″ w.g. @ 500 FPM\u003c\/strong\u003e. Engineered for \u003cstrong\u003esub-ppm AMC removal\u003c\/strong\u003e and polishing filtration. Koch's breakthrough analysis shows DuraKleen outperforming honeycomb carbon designs at low concentration levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-standard-capacity-v-cell-carbon-filter\"\u003eDuraPure Standard Capacity\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-high-capacity-v-cell-carbon-filter\"\u003eDuraPure High Capacity\u003c\/a\u003e:\u003c\/strong\u003e Honeycomb carbon cells with premium coconut shell granular carbon. 18–26 lbs carbon load per filter, 0.34–0.74″ w.g. initial resistance. Engineered for \u003cstrong\u003ehigh-volume gas-phase capacity\u003c\/strong\u003e at moderate contaminant concentrations — specified for airports, industrial facilities, chemical plants, office buildings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor lower-depth gas-phase filtration in 1″\/2″\/4″ pleated panel form factors, see the Koch \u003ca href=\"\/products\/koch-odorkleen-es-merv-8-carbon-particulate-filter\"\u003eOdorKleen ES\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-250-carbonweb-merv-8-carbon-particulate-filter\"\u003eOdorKleen 250\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-200-m13-merv-13-carbon-particulate-filter\"\u003eOdorKleen 200\/M13\u003c\/a\u003e, and \u003ca href=\"\/products\/koch-odorkleen-600-carbonweb-merv-10-carbon-particulate-filter\"\u003eOdorKleen 600\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes are nominal.\u003c\/strong\u003e Per Koch PB-1202, actual dimensions are slightly less: 24x24x12 nominal = 23.38″ x 23.38″ x 11.50″ actual; same 1\/2″-1″ pattern across sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″ deep filters require deep filter racks.\u003c\/strong\u003e Verify your filter housing accommodates 12″ depth before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration is housing-specific.\u003c\/strong\u003e This product is the Single Header configuration. If your housing requires a different header type, see the \u003cstrong\u003eChoosing your DuraKleen configuration\u003c\/strong\u003e section above for cross-links to the other configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Call for Quote\" sizes:\u003c\/strong\u003e Some configuration\/size combinations are special-order only. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for these or for facility-scale orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty media:\u003c\/strong\u003e DuraKleen is also available with specialized media for amines and acid gases. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your target contaminant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement schedule:\u003c\/strong\u003e Drive by pressure drop curve and breakthrough monitoring. For sub-ppm AMC applications, monitor downstream concentration directly — pressure drop alone may not signal breakthrough at trace contaminant levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon disposal:\u003c\/strong\u003e Spent CPS media may have specific disposal requirements depending on captured contaminants. Follow your local hazardous waste regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch product literature\u003c\/h3\u003e\u003cp\u003eDetailed product specifications, Dynamic Breakthrough Analysis, and complete performance data for Koch DuraKleen are published in \u003cstrong\u003eKoch Bulletin PB-1202\u003c\/strong\u003e: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/DuraKleen.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDuraKleen Product Specification PDF\u003c\/a\u003e (Koch Filter Corporation). For specialty media variants targeting amines or acid gases, consult Koch Filter Corporation (\u003ca href=\"https:\/\/www.kochfilter.com\/\" target=\"_blank\" rel=\"noopener\"\u003ekochfilter.com\u003c\/a\u003e) or \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24\"x24\"x12\" (Case of 1)","offer_id":44119158325370,"sku":"112-689-242412","price":1499.85,"currency_code":"USD","in_stock":true},{"title":"20\"x25\"x12\" (Call for Quote)","offer_id":44119158358138,"sku":"112-689-015","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20\"x24\"x12\" (Case of 1)","offer_id":44119158390906,"sku":"112-689-202412","price":1341.56,"currency_code":"USD","in_stock":true},{"title":"20\"x20\"x12\" (Case of 1)","offer_id":44119158423674,"sku":"112-689-202012","price":1281.23,"currency_code":"USD","in_stock":true},{"title":"12\"x24\"x12\" (Case of 2)","offer_id":44119158456442,"sku":"112-689-122412","price":2268.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_284c7956-5ed1-4cd2-9b6c-c55c55bd585f.png?v=1777864367"},{"product_id":"koch-durakleen-no-header-box-style-merv-8-cps-carbon-filter","title":"Koch DuraKleen No Header Box Style MERV 8 (CPS Carbon V-Cell Gas-Phase Filter)","description":"\u003cp\u003ePer Koch Bulletin \u003cstrong\u003ePB-1202\u003c\/strong\u003e, the Koch \u003cstrong\u003eDuraKleen No Header Box Style MERV 8\u003c\/strong\u003e is a \u003cstrong\u003ehigh-efficiency gas-phase V-cell carbon filter\u003c\/strong\u003e engineered for environments with \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at sub-ppm levels. The DuraKleen uses Koch's patented \u003cstrong\u003eCelbond Particulate Structure (CPS) technology\u003c\/strong\u003e, suspending \u003cstrong\u003e500 gsm of 20x50 mesh activated carbon\u003c\/strong\u003e in a tightly bonded three-dimensional network of bicomponent fibers. This No Header (Box Style) configuration is rated \u003cstrong\u003eMERV 8\u003c\/strong\u003e and is sized to fit sealed box-style filter housings.\u003c\/p\u003e\u003ch3\u003eWhat you get: V-cell gas-phase carbon filters, sold by the case\u003c\/h3\u003e\u003cp\u003eEach variant is a complete DuraKleen No Header Box Style MERV 8 V-cell filter with the CPS-technology carbon media. All variants are \u003cstrong\u003e12″ deep\u003c\/strong\u003e; pricing varies by face dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x25″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 5 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x20″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 3.7 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e — 3 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSizes marked \"additional size\" are stocked by RTF beyond Koch's PB-1202 standard published sizes (24x24x12, 20x24x12, 12x24x12). The 20x20x12 and 20x25x12 dimensions use the same CPS construction at proportional carbon load.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eCelbond Particulate Structure (CPS) technology\u003c\/h3\u003e\u003cp\u003eCPS technology is the key differentiator that distinguishes DuraKleen from standard honeycomb carbon filters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon distribution:\u003c\/strong\u003e Activated carbon is suspended in uniform distribution throughout a tightly bonded three-dimensional network of bicomponent fibers — no honeycomb cells or loose granular carbon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon mesh size:\u003c\/strong\u003e \u003cstrong\u003e20x50 mesh\u003c\/strong\u003e — small mesh = high efficiency. Smaller carbon particles expose more surface area to the airstream per unit volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon load:\u003c\/strong\u003e 500 gsm. The combination of small mesh and high gsm gives DuraKleen an outstanding balance of first-pass removal efficiency, filter life, and low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding efficiency:\u003c\/strong\u003e The fiber-to-carbon bond obstructs only approximately 1% of the carbon's surface area, leaving roughly 99% available for gas adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTortuous airflow path:\u003c\/strong\u003e Gas contaminants pass through tortuous pathways inside the CPS media, ensuring intimate contact between contaminant molecules and the carbon adsorption surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates post-filtration:\u003c\/strong\u003e The fiber-to-carbon bond eliminates the need for post-filtration in most applications — the carbon stays where it's placed and doesn't shed downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraKleen No Header Box Style MERV 8 construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Extended-surface V-cell carbon filter, 12″ deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia technology:\u003c\/strong\u003e Celbond Particulate Structure (CPS) — activated carbon suspended in 3D bicomponent fiber network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e 500 gsm of 20x50 mesh activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e \u003cstrong\u003e0.24″ w.g.\u003c\/strong\u003e @ 500 FPM — substantially lower than DuraPure honeycomb-cell filters at the same face velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration:\u003c\/strong\u003e No Header (Box Style) — fits sealed box-style filter housings without flanges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e MERV 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable depths:\u003c\/strong\u003e 12″ only (deep V-cell architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filter:\u003c\/strong\u003e Koch positions DuraKleen as an \u003cem\u003e\"excellent polishing filter for high contaminant concentrations.\"\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposability:\u003c\/strong\u003e Single-use disposable; not washable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch published dimensions and media area (PB-1202)\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eNominal Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eActual Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eInitial Resistance @ 500 FPM\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eMedia Area\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e23.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e55 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e19.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e44 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e11.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e24 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe table above documents Koch's standard published sizes per PB-1202. RTF also stocks 20″x20″x12″ and 20″x25″x12″ in the same DuraKleen CPS construction; carbon load and media area scale proportionally with face dimensions.\u003c\/p\u003e\u003ch3\u003eAirborne molecular contamination (AMC) and polishing filtration\u003c\/h3\u003e\u003cp\u003eDuraKleen is engineered for environments where gas-phase contaminants need to be reduced to \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — concentrations where standard carbon filtration starts to lose effectiveness. Typical AMC applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanrooms and semiconductor manufacturing:\u003c\/strong\u003e trace amines, acids, and organics that interfere with photolithography and surface chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuseum and archive preservation:\u003c\/strong\u003e trace acids and oxidants that degrade paper, photographs, textiles, and artwork over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical manufacturing:\u003c\/strong\u003e trace contaminants that affect product purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital sensitive areas:\u003c\/strong\u003e sub-ppm gas-phase contaminants in operating theaters, isolation rooms, and laboratory spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filtration:\u003c\/strong\u003e Used downstream of higher-capacity filters (such as DuraPure) to reduce residual contaminant concentrations to levels that primary filters can't reach efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDuraKleen is also \u003cstrong\u003eavailable in other media options for the removal of specific types of amines and acid gases\u003c\/strong\u003e — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your target contaminant profile.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eDuraKleen is specified for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChemical Storage Rooms\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eSports Arenas\u003c\/li\u003e\n\u003cli\u003eLaboratories\u003c\/li\u003e\n\u003cli\u003eAirports\u003c\/li\u003e\n\u003cli\u003eCasinos\u003c\/li\u003e\n\u003cli\u003eMuseums and Archives\u003c\/li\u003e\n\u003cli\u003eIndustrial Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical\u003c\/li\u003e\n\u003cli\u003eCommercial Buildings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your DuraKleen configuration\u003c\/h3\u003e\u003cp\u003eDuraKleen ships in five configurations for housing compatibility and integrated particulate filtration capacity. The choice depends on your existing filter housing and what level of integrated particulate capture you need alongside the gas-phase performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-15-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-15-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-double-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Double Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure which configuration fits your existing filter housing, \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e with your housing make\/model and we'll help you specify the right header configuration. The MERV rating reflects the integrated particulate filtration capacity of the configuration; all configurations share the same Koch CPS gas-phase carbon performance.\u003c\/p\u003e\u003ch3\u003eDuraKleen vs DuraPure — choosing your gas-phase platform\u003c\/h3\u003e\u003cp\u003eKoch produces two extended-surface 12″-deep carbon filter platforms. They serve different gas-phase use cases:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraKleen (this product family):\u003c\/strong\u003e CPS bicomponent fiber media with 500 gsm 20x50 mesh carbon. Initial resistance \u003cstrong\u003e0.24″ w.g. @ 500 FPM\u003c\/strong\u003e. Engineered for \u003cstrong\u003esub-ppm AMC removal\u003c\/strong\u003e and polishing filtration. Koch's breakthrough analysis shows DuraKleen outperforming honeycomb carbon designs at low concentration levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-standard-capacity-v-cell-carbon-filter\"\u003eDuraPure Standard Capacity\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-high-capacity-v-cell-carbon-filter\"\u003eDuraPure High Capacity\u003c\/a\u003e:\u003c\/strong\u003e Honeycomb carbon cells with premium coconut shell granular carbon. 18–26 lbs carbon load per filter, 0.34–0.74″ w.g. initial resistance. Engineered for \u003cstrong\u003ehigh-volume gas-phase capacity\u003c\/strong\u003e at moderate contaminant concentrations — specified for airports, industrial facilities, chemical plants, office buildings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor lower-depth gas-phase filtration in 1″\/2″\/4″ pleated panel form factors, see the Koch \u003ca href=\"\/products\/koch-odorkleen-es-merv-8-carbon-particulate-filter\"\u003eOdorKleen ES\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-250-carbonweb-merv-8-carbon-particulate-filter\"\u003eOdorKleen 250\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-200-m13-merv-13-carbon-particulate-filter\"\u003eOdorKleen 200\/M13\u003c\/a\u003e, and \u003ca href=\"\/products\/koch-odorkleen-600-carbonweb-merv-10-carbon-particulate-filter\"\u003eOdorKleen 600\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes are nominal.\u003c\/strong\u003e Per Koch PB-1202, actual dimensions are slightly less: 24x24x12 nominal = 23.38″ x 23.38″ x 11.50″ actual; same 1\/2″-1″ pattern across sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″ deep filters require deep filter racks.\u003c\/strong\u003e Verify your filter housing accommodates 12″ depth before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration is housing-specific.\u003c\/strong\u003e This product is the No Header (Box Style) configuration. If your housing requires a different header type, see the \u003cstrong\u003eChoosing your DuraKleen configuration\u003c\/strong\u003e section above for cross-links to the other configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Call for Quote\" sizes:\u003c\/strong\u003e Some configuration\/size combinations are special-order only. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for these or for facility-scale orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty media:\u003c\/strong\u003e DuraKleen is also available with specialized media for amines and acid gases. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your target contaminant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement schedule:\u003c\/strong\u003e Drive by pressure drop curve and breakthrough monitoring. For sub-ppm AMC applications, monitor downstream concentration directly — pressure drop alone may not signal breakthrough at trace contaminant levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon disposal:\u003c\/strong\u003e Spent CPS media may have specific disposal requirements depending on captured contaminants. Follow your local hazardous waste regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch product literature\u003c\/h3\u003e\u003cp\u003eDetailed product specifications, Dynamic Breakthrough Analysis, and complete performance data for Koch DuraKleen are published in \u003cstrong\u003eKoch Bulletin PB-1202\u003c\/strong\u003e: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/DuraKleen.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDuraKleen Product Specification PDF\u003c\/a\u003e (Koch Filter Corporation). For specialty media variants targeting amines or acid gases, consult Koch Filter Corporation (\u003ca href=\"https:\/\/www.kochfilter.com\/\" target=\"_blank\" rel=\"noopener\"\u003ekochfilter.com\u003c\/a\u003e) or \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24\"x24\"x12\" (Case of 1)","offer_id":44119158489210,"sku":"112-687-001","price":1200.68,"currency_code":"USD","in_stock":true},{"title":"20\"x25\"x12\" (Call for Quote)","offer_id":44119158521978,"sku":"112-687-202512","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20\"x24\"x12\" (Call for Quote)","offer_id":44119158554746,"sku":"112-687-202412","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20\"x20\"x12\" (Call for Quote)","offer_id":44119158587514,"sku":"112-687-202012","price":0.0,"currency_code":"USD","in_stock":false},{"title":"12\"x24\"x12\" (Case of 1)","offer_id":44119158620282,"sku":"112-687-002","price":958.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_0fdb56a6-9a1b-448a-8830-b7558dbb7618.png?v=1777864374"},{"product_id":"koch-durakleen-no-header-box-style-merv-15-cps-carbon-filter","title":"Koch DuraKleen No Header Box Style MERV 15 (CPS Carbon V-Cell Gas-Phase Filter)","description":"\u003cp\u003ePer Koch Bulletin \u003cstrong\u003ePB-1202\u003c\/strong\u003e, the Koch \u003cstrong\u003eDuraKleen No Header Box Style MERV 15\u003c\/strong\u003e is a \u003cstrong\u003ehigh-efficiency gas-phase V-cell carbon filter\u003c\/strong\u003e engineered for environments with \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at sub-ppm levels. The DuraKleen uses Koch's patented \u003cstrong\u003eCelbond Particulate Structure (CPS) technology\u003c\/strong\u003e, suspending \u003cstrong\u003e500 gsm of 20x50 mesh activated carbon\u003c\/strong\u003e in a tightly bonded three-dimensional network of bicomponent fibers. This No Header (Box Style) configuration is rated \u003cstrong\u003eMERV 15\u003c\/strong\u003e and is sized to fit sealed box-style filter housings.\u003c\/p\u003e\u003ch3\u003eWhat you get: V-cell gas-phase carbon filters, sold by the case\u003c\/h3\u003e\u003cp\u003eEach variant is a complete DuraKleen No Header Box Style MERV 15 V-cell filter with the CPS-technology carbon media. All variants are \u003cstrong\u003e12″ deep\u003c\/strong\u003e; pricing varies by face dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x25″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 5 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x20″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 3.7 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e — 3 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSizes marked \"additional size\" are stocked by RTF beyond Koch's PB-1202 standard published sizes (24x24x12, 20x24x12, 12x24x12). The 20x20x12 and 20x25x12 dimensions use the same CPS construction at proportional carbon load.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eCelbond Particulate Structure (CPS) technology\u003c\/h3\u003e\u003cp\u003eCPS technology is the key differentiator that distinguishes DuraKleen from standard honeycomb carbon filters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon distribution:\u003c\/strong\u003e Activated carbon is suspended in uniform distribution throughout a tightly bonded three-dimensional network of bicomponent fibers — no honeycomb cells or loose granular carbon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon mesh size:\u003c\/strong\u003e \u003cstrong\u003e20x50 mesh\u003c\/strong\u003e — small mesh = high efficiency. Smaller carbon particles expose more surface area to the airstream per unit volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon load:\u003c\/strong\u003e 500 gsm. The combination of small mesh and high gsm gives DuraKleen an outstanding balance of first-pass removal efficiency, filter life, and low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding efficiency:\u003c\/strong\u003e The fiber-to-carbon bond obstructs only approximately 1% of the carbon's surface area, leaving roughly 99% available for gas adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTortuous airflow path:\u003c\/strong\u003e Gas contaminants pass through tortuous pathways inside the CPS media, ensuring intimate contact between contaminant molecules and the carbon adsorption surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates post-filtration:\u003c\/strong\u003e The fiber-to-carbon bond eliminates the need for post-filtration in most applications — the carbon stays where it's placed and doesn't shed downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraKleen No Header Box Style MERV 15 construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Extended-surface V-cell carbon filter, 12″ deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia technology:\u003c\/strong\u003e Celbond Particulate Structure (CPS) — activated carbon suspended in 3D bicomponent fiber network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e 500 gsm of 20x50 mesh activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e \u003cstrong\u003e0.24″ w.g.\u003c\/strong\u003e @ 500 FPM — substantially lower than DuraPure honeycomb-cell filters at the same face velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration:\u003c\/strong\u003e No Header (Box Style) — fits sealed box-style filter housings without flanges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e MERV 15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable depths:\u003c\/strong\u003e 12″ only (deep V-cell architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filter:\u003c\/strong\u003e Koch positions DuraKleen as an \u003cem\u003e\"excellent polishing filter for high contaminant concentrations.\"\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposability:\u003c\/strong\u003e Single-use disposable; not washable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch published dimensions and media area (PB-1202)\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eNominal Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eActual Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eInitial Resistance @ 500 FPM\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eMedia Area\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e23.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e55 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e19.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e44 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e11.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e24 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe table above documents Koch's standard published sizes per PB-1202. RTF also stocks 20″x20″x12″ and 20″x25″x12″ in the same DuraKleen CPS construction; carbon load and media area scale proportionally with face dimensions.\u003c\/p\u003e\u003ch3\u003eAirborne molecular contamination (AMC) and polishing filtration\u003c\/h3\u003e\u003cp\u003eDuraKleen is engineered for environments where gas-phase contaminants need to be reduced to \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — concentrations where standard carbon filtration starts to lose effectiveness. Typical AMC applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanrooms and semiconductor manufacturing:\u003c\/strong\u003e trace amines, acids, and organics that interfere with photolithography and surface chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuseum and archive preservation:\u003c\/strong\u003e trace acids and oxidants that degrade paper, photographs, textiles, and artwork over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical manufacturing:\u003c\/strong\u003e trace contaminants that affect product purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital sensitive areas:\u003c\/strong\u003e sub-ppm gas-phase contaminants in operating theaters, isolation rooms, and laboratory spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filtration:\u003c\/strong\u003e Used downstream of higher-capacity filters (such as DuraPure) to reduce residual contaminant concentrations to levels that primary filters can't reach efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDuraKleen is also \u003cstrong\u003eavailable in other media options for the removal of specific types of amines and acid gases\u003c\/strong\u003e — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your target contaminant profile.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eDuraKleen is specified for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChemical Storage Rooms\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eSports Arenas\u003c\/li\u003e\n\u003cli\u003eLaboratories\u003c\/li\u003e\n\u003cli\u003eAirports\u003c\/li\u003e\n\u003cli\u003eCasinos\u003c\/li\u003e\n\u003cli\u003eMuseums and Archives\u003c\/li\u003e\n\u003cli\u003eIndustrial Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical\u003c\/li\u003e\n\u003cli\u003eCommercial Buildings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your DuraKleen configuration\u003c\/h3\u003e\u003cp\u003eDuraKleen ships in five configurations for housing compatibility and integrated particulate filtration capacity. The choice depends on your existing filter housing and what level of integrated particulate capture you need alongside the gas-phase performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-15-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-8-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-double-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Double Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure which configuration fits your existing filter housing, \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e with your housing make\/model and we'll help you specify the right header configuration. The MERV rating reflects the integrated particulate filtration capacity of the configuration; all configurations share the same Koch CPS gas-phase carbon performance.\u003c\/p\u003e\u003ch3\u003eDuraKleen vs DuraPure — choosing your gas-phase platform\u003c\/h3\u003e\u003cp\u003eKoch produces two extended-surface 12″-deep carbon filter platforms. They serve different gas-phase use cases:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraKleen (this product family):\u003c\/strong\u003e CPS bicomponent fiber media with 500 gsm 20x50 mesh carbon. Initial resistance \u003cstrong\u003e0.24″ w.g. @ 500 FPM\u003c\/strong\u003e. Engineered for \u003cstrong\u003esub-ppm AMC removal\u003c\/strong\u003e and polishing filtration. Koch's breakthrough analysis shows DuraKleen outperforming honeycomb carbon designs at low concentration levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-standard-capacity-v-cell-carbon-filter\"\u003eDuraPure Standard Capacity\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-high-capacity-v-cell-carbon-filter\"\u003eDuraPure High Capacity\u003c\/a\u003e:\u003c\/strong\u003e Honeycomb carbon cells with premium coconut shell granular carbon. 18–26 lbs carbon load per filter, 0.34–0.74″ w.g. initial resistance. Engineered for \u003cstrong\u003ehigh-volume gas-phase capacity\u003c\/strong\u003e at moderate contaminant concentrations — specified for airports, industrial facilities, chemical plants, office buildings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor lower-depth gas-phase filtration in 1″\/2″\/4″ pleated panel form factors, see the Koch \u003ca href=\"\/products\/koch-odorkleen-es-merv-8-carbon-particulate-filter\"\u003eOdorKleen ES\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-250-carbonweb-merv-8-carbon-particulate-filter\"\u003eOdorKleen 250\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-200-m13-merv-13-carbon-particulate-filter\"\u003eOdorKleen 200\/M13\u003c\/a\u003e, and \u003ca href=\"\/products\/koch-odorkleen-600-carbonweb-merv-10-carbon-particulate-filter\"\u003eOdorKleen 600\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes are nominal.\u003c\/strong\u003e Per Koch PB-1202, actual dimensions are slightly less: 24x24x12 nominal = 23.38″ x 23.38″ x 11.50″ actual; same 1\/2″-1″ pattern across sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″ deep filters require deep filter racks.\u003c\/strong\u003e Verify your filter housing accommodates 12″ depth before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration is housing-specific.\u003c\/strong\u003e This product is the No Header (Box Style) configuration. If your housing requires a different header type, see the \u003cstrong\u003eChoosing your DuraKleen configuration\u003c\/strong\u003e section above for cross-links to the other configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Call for Quote\" sizes:\u003c\/strong\u003e Some configuration\/size combinations are special-order only. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for these or for facility-scale orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty media:\u003c\/strong\u003e DuraKleen is also available with specialized media for amines and acid gases. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your target contaminant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement schedule:\u003c\/strong\u003e Drive by pressure drop curve and breakthrough monitoring. For sub-ppm AMC applications, monitor downstream concentration directly — pressure drop alone may not signal breakthrough at trace contaminant levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon disposal:\u003c\/strong\u003e Spent CPS media may have specific disposal requirements depending on captured contaminants. Follow your local hazardous waste regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch product literature\u003c\/h3\u003e\u003cp\u003eDetailed product specifications, Dynamic Breakthrough Analysis, and complete performance data for Koch DuraKleen are published in \u003cstrong\u003eKoch Bulletin PB-1202\u003c\/strong\u003e: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/DuraKleen.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDuraKleen Product Specification PDF\u003c\/a\u003e (Koch Filter Corporation). For specialty media variants targeting amines or acid gases, consult Koch Filter Corporation (\u003ca href=\"https:\/\/www.kochfilter.com\/\" target=\"_blank\" rel=\"noopener\"\u003ekochfilter.com\u003c\/a\u003e) or \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24\"x24\"x12\" (Case of 1)","offer_id":44119158653050,"sku":"112-684-242412","price":1413.72,"currency_code":"USD","in_stock":true},{"title":"20\"x25\"x12\" (Case of 1)","offer_id":44119158685818,"sku":"112-684-202512","price":1432.28,"currency_code":"USD","in_stock":true},{"title":"20\"x24\"x12\" (Case of 1)","offer_id":44119158718586,"sku":"112-684-202412","price":1357.53,"currency_code":"USD","in_stock":true},{"title":"20\"x20\"x12\" (Case of 1)","offer_id":44119158751354,"sku":"112-684-202012","price":1295.49,"currency_code":"USD","in_stock":true},{"title":"12\"x24\"x12\" (Call for Quote)","offer_id":44119158784122,"sku":"112-684-122412","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_e60ac86e-2cc4-41fb-a5df-166f10538130.png?v=1777864380"},{"product_id":"koch-durakleen-double-header-merv-8-cps-carbon-filter","title":"Koch DuraKleen Double Header MERV 8 (CPS Carbon V-Cell Gas-Phase Filter)","description":"\u003cp\u003ePer Koch Bulletin \u003cstrong\u003ePB-1202\u003c\/strong\u003e, the Koch \u003cstrong\u003eDuraKleen Double Header MERV 8\u003c\/strong\u003e is a \u003cstrong\u003ehigh-efficiency gas-phase V-cell carbon filter\u003c\/strong\u003e engineered for environments with \u003cstrong\u003eairborne molecular contamination (AMC)\u003c\/strong\u003e at sub-ppm levels. The DuraKleen uses Koch's patented \u003cstrong\u003eCelbond Particulate Structure (CPS) technology\u003c\/strong\u003e, suspending \u003cstrong\u003e500 gsm of 20x50 mesh activated carbon\u003c\/strong\u003e in a tightly bonded three-dimensional network of bicomponent fibers. This Double Header configuration is rated \u003cstrong\u003eMERV 8\u003c\/strong\u003e and is sized to fit double header housing configurations.\u003c\/p\u003e\u003ch3\u003eWhat you get: V-cell gas-phase carbon filters, sold by the case\u003c\/h3\u003e\u003cp\u003eEach variant is a complete DuraKleen Double Header MERV 8 V-cell filter with the CPS-technology carbon media. All variants are \u003cstrong\u003e12″ deep\u003c\/strong\u003e; pricing varies by face dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x25″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 5 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e — 6 lbs carbon, available by quote. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20″x20″x12″\u003c\/strong\u003e — \u003cem\u003eadditional size\u003c\/em\u003e — 3.7 lbs carbon, Single filter per case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e — 3 lbs carbon, Case of 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSizes marked \"additional size\" are stocked by RTF beyond Koch's PB-1202 standard published sizes (24x24x12, 20x24x12, 12x24x12). The 20x20x12 and 20x25x12 dimensions use the same CPS construction at proportional carbon load.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eCelbond Particulate Structure (CPS) technology\u003c\/h3\u003e\u003cp\u003eCPS technology is the key differentiator that distinguishes DuraKleen from standard honeycomb carbon filters:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon distribution:\u003c\/strong\u003e Activated carbon is suspended in uniform distribution throughout a tightly bonded three-dimensional network of bicomponent fibers — no honeycomb cells or loose granular carbon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon mesh size:\u003c\/strong\u003e \u003cstrong\u003e20x50 mesh\u003c\/strong\u003e — small mesh = high efficiency. Smaller carbon particles expose more surface area to the airstream per unit volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon load:\u003c\/strong\u003e 500 gsm. The combination of small mesh and high gsm gives DuraKleen an outstanding balance of first-pass removal efficiency, filter life, and low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding efficiency:\u003c\/strong\u003e The fiber-to-carbon bond obstructs only approximately 1% of the carbon's surface area, leaving roughly 99% available for gas adsorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTortuous airflow path:\u003c\/strong\u003e Gas contaminants pass through tortuous pathways inside the CPS media, ensuring intimate contact between contaminant molecules and the carbon adsorption surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates post-filtration:\u003c\/strong\u003e The fiber-to-carbon bond eliminates the need for post-filtration in most applications — the carbon stays where it's placed and doesn't shed downstream.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDuraKleen Double Header MERV 8 construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Extended-surface V-cell carbon filter, 12″ deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia technology:\u003c\/strong\u003e Celbond Particulate Structure (CPS) — activated carbon suspended in 3D bicomponent fiber network\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon:\u003c\/strong\u003e 500 gsm of 20x50 mesh activated carbon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e \u003cstrong\u003e0.24″ w.g.\u003c\/strong\u003e @ 500 FPM — substantially lower than DuraPure honeycomb-cell filters at the same face velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration:\u003c\/strong\u003e Double Header — mounting flange configuration: double header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e MERV 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable depths:\u003c\/strong\u003e 12″ only (deep V-cell architecture)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filter:\u003c\/strong\u003e Koch positions DuraKleen as an \u003cem\u003e\"excellent polishing filter for high contaminant concentrations.\"\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposability:\u003c\/strong\u003e Single-use disposable; not washable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch published dimensions and media area (PB-1202)\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eNominal Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eActual Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eInitial Resistance @ 500 FPM\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ccc;padding:8px;text-align:left;\"\u003eMedia Area\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e24″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e23.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e55 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e20″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e19.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e44 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003e12″x24″x12″\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e11.38 x 23.38 x 11.50″\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e0.24″ w.g.\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e24 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe table above documents Koch's standard published sizes per PB-1202. RTF also stocks 20″x20″x12″ and 20″x25″x12″ in the same DuraKleen CPS construction; carbon load and media area scale proportionally with face dimensions.\u003c\/p\u003e\u003ch3\u003eAirborne molecular contamination (AMC) and polishing filtration\u003c\/h3\u003e\u003cp\u003eDuraKleen is engineered for environments where gas-phase contaminants need to be reduced to \u003cstrong\u003esub-ppm levels\u003c\/strong\u003e — concentrations where standard carbon filtration starts to lose effectiveness. Typical AMC applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleanrooms and semiconductor manufacturing:\u003c\/strong\u003e trace amines, acids, and organics that interfere with photolithography and surface chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuseum and archive preservation:\u003c\/strong\u003e trace acids and oxidants that degrade paper, photographs, textiles, and artwork over time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical manufacturing:\u003c\/strong\u003e trace contaminants that affect product purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital sensitive areas:\u003c\/strong\u003e sub-ppm gas-phase contaminants in operating theaters, isolation rooms, and laboratory spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing filtration:\u003c\/strong\u003e Used downstream of higher-capacity filters (such as DuraPure) to reduce residual contaminant concentrations to levels that primary filters can't reach efficiently\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDuraKleen is also \u003cstrong\u003eavailable in other media options for the removal of specific types of amines and acid gases\u003c\/strong\u003e — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your target contaminant profile.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eDuraKleen is specified for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChemical Storage Rooms\u003c\/li\u003e\n\u003cli\u003eHospitals\u003c\/li\u003e\n\u003cli\u003eSports Arenas\u003c\/li\u003e\n\u003cli\u003eLaboratories\u003c\/li\u003e\n\u003cli\u003eAirports\u003c\/li\u003e\n\u003cli\u003eCasinos\u003c\/li\u003e\n\u003cli\u003eMuseums and Archives\u003c\/li\u003e\n\u003cli\u003eIndustrial Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical\u003c\/li\u003e\n\u003cli\u003eCommercial Buildings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your DuraKleen configuration\u003c\/h3\u003e\u003cp\u003eDuraKleen ships in five configurations for housing compatibility and integrated particulate filtration capacity. The choice depends on your existing filter housing and what level of integrated particulate capture you need alongside the gas-phase performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-8-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-single-header-merv-15-cps-carbon-filter\"\u003eDuraKleen Single Header MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-8-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 8\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/products\/koch-durakleen-no-header-box-style-merv-15-cps-carbon-filter\"\u003eDuraKleen No Header Box Style MERV 15\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure which configuration fits your existing filter housing, \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e with your housing make\/model and we'll help you specify the right header configuration. The MERV rating reflects the integrated particulate filtration capacity of the configuration; all configurations share the same Koch CPS gas-phase carbon performance.\u003c\/p\u003e\u003ch3\u003eDuraKleen vs DuraPure — choosing your gas-phase platform\u003c\/h3\u003e\u003cp\u003eKoch produces two extended-surface 12″-deep carbon filter platforms. They serve different gas-phase use cases:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuraKleen (this product family):\u003c\/strong\u003e CPS bicomponent fiber media with 500 gsm 20x50 mesh carbon. Initial resistance \u003cstrong\u003e0.24″ w.g. @ 500 FPM\u003c\/strong\u003e. Engineered for \u003cstrong\u003esub-ppm AMC removal\u003c\/strong\u003e and polishing filtration. Koch's breakthrough analysis shows DuraKleen outperforming honeycomb carbon designs at low concentration levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-standard-capacity-v-cell-carbon-filter\"\u003eDuraPure Standard Capacity\u003c\/a\u003e\u003c\/strong\u003e and \u003cstrong\u003e\u003ca href=\"\/products\/koch-durapure-high-capacity-v-cell-carbon-filter\"\u003eDuraPure High Capacity\u003c\/a\u003e:\u003c\/strong\u003e Honeycomb carbon cells with premium coconut shell granular carbon. 18–26 lbs carbon load per filter, 0.34–0.74″ w.g. initial resistance. Engineered for \u003cstrong\u003ehigh-volume gas-phase capacity\u003c\/strong\u003e at moderate contaminant concentrations — specified for airports, industrial facilities, chemical plants, office buildings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor lower-depth gas-phase filtration in 1″\/2″\/4″ pleated panel form factors, see the Koch \u003ca href=\"\/products\/koch-odorkleen-es-merv-8-carbon-particulate-filter\"\u003eOdorKleen ES\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-250-carbonweb-merv-8-carbon-particulate-filter\"\u003eOdorKleen 250\u003c\/a\u003e, \u003ca href=\"\/products\/koch-odorkleen-200-m13-merv-13-carbon-particulate-filter\"\u003eOdorKleen 200\/M13\u003c\/a\u003e, and \u003ca href=\"\/products\/koch-odorkleen-600-carbonweb-merv-10-carbon-particulate-filter\"\u003eOdorKleen 600\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes are nominal.\u003c\/strong\u003e Per Koch PB-1202, actual dimensions are slightly less: 24x24x12 nominal = 23.38″ x 23.38″ x 11.50″ actual; same 1\/2″-1″ pattern across sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12″ deep filters require deep filter racks.\u003c\/strong\u003e Verify your filter housing accommodates 12″ depth before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader configuration is housing-specific.\u003c\/strong\u003e This product is the Double Header configuration. If your housing requires a different header type, see the \u003cstrong\u003eChoosing your DuraKleen configuration\u003c\/strong\u003e section above for cross-links to the other configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Call for Quote\" sizes:\u003c\/strong\u003e Some configuration\/size combinations are special-order only. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for these or for facility-scale orders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialty media:\u003c\/strong\u003e DuraKleen is also available with specialized media for amines and acid gases. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your target contaminant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement schedule:\u003c\/strong\u003e Drive by pressure drop curve and breakthrough monitoring. For sub-ppm AMC applications, monitor downstream concentration directly — pressure drop alone may not signal breakthrough at trace contaminant levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon disposal:\u003c\/strong\u003e Spent CPS media may have specific disposal requirements depending on captured contaminants. Follow your local hazardous waste regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKoch product literature\u003c\/h3\u003e\u003cp\u003eDetailed product specifications, Dynamic Breakthrough Analysis, and complete performance data for Koch DuraKleen are published in \u003cstrong\u003eKoch Bulletin PB-1202\u003c\/strong\u003e: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/DuraKleen.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDuraKleen Product Specification PDF\u003c\/a\u003e (Koch Filter Corporation). For specialty media variants targeting amines or acid gases, consult Koch Filter Corporation (\u003ca href=\"https:\/\/www.kochfilter.com\/\" target=\"_blank\" rel=\"noopener\"\u003ekochfilter.com\u003c\/a\u003e) or \u003ca href=\"\/pages\/contact-us\"\u003econtact RTF support\u003c\/a\u003e.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24\"x24\"x12\" (Case of 1)","offer_id":44119158816890,"sku":"112-686-001","price":763.74,"currency_code":"USD","in_stock":true},{"title":"20\"x25\"x12\" (Call for Quote)","offer_id":44119158849658,"sku":"112-686-202512","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20\"x24\"x12\" (Call for Quote)","offer_id":44119158882426,"sku":"112-686-202412","price":0.0,"currency_code":"USD","in_stock":false},{"title":"20\"x20\"x12\" (Case of 1)","offer_id":44119158915194,"sku":"112-686-005","price":494.16,"currency_code":"USD","in_stock":true},{"title":"12\"x24\"x12\" (Case of 2)","offer_id":44119158947962,"sku":"112-686-002","price":865.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_e054920b-35a7-450b-bd11-a233f7c27518.png?v=1777864387"},{"product_id":"koch-biomax-v2400-99-99-aluminum-mini-pleat-hepa-filter","title":"Koch BioMAX V2400 99.99% Aluminum Mini-Pleat HEPA Filter (Scanned)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch BioMAX V2400\u003c\/strong\u003e is a high-capacity mini-pleat HEPA filter in a 5V-bank configuration. The aluminum-frame variant is built for \u003cstrong\u003epharmaceutical, hospital, biotech laboratory, and other critical environments\u003c\/strong\u003e where airborne contaminant control is paramount — protecting people, processes, and equipment with 99.99% efficiency on 0.3-micron particles. Each filter is individually \u003cstrong\u003escan-tested\u003c\/strong\u003e at the factory and serial-numbered for traceability.\u003c\/p\u003e\n\n\u003ch3\u003eMini-pleat 5V-bank construction\u003c\/h3\u003e\n\u003cp\u003eThe V2400 uses a \u003cstrong\u003emini-pleat bead-separator pack\u003c\/strong\u003e assembled in a V-bank configuration within rigid aluminum cell sides. The mini-pleat geometry maximizes media area in a compact 11-1\/2\" depth, delivering more dust-holding capacity, longer service life, and lower pressure drop than conventional HEPA filter designs.\u003c\/p\u003e\n\n\u003ch3\u003eWater-repellent microfiberglass media\u003c\/h3\u003e\n\u003cp\u003eThe pack is constructed of \u003cstrong\u003ewater-repellent ultra-fine microfiberglass media\u003c\/strong\u003e. The pleat spacing is maintained by an adhesive bead, eliminating the need for separator strips and improving airflow characteristics. The water-repellent treatment provides protection against humidity exposure during installation and operation.\u003c\/p\u003e\n\n\u003ch3\u003eLeak-free polyurethane sealant\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003enon off-gassing polyurethane sealant\u003c\/strong\u003e bonds the pack to the frame, fully potting the interface between filter pack and frame. This eliminates the bypass leakage pathways common in mechanically-clamped HEPA filter assemblies and ensures the filter performs at its rated efficiency throughout service life.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-velocity capability\u003c\/h3\u003e\n\u003cp\u003eBecause of the V2400's structural integrity, it can be installed in HVAC systems with \u003cstrong\u003eface velocities up to 650 FPM\u003c\/strong\u003e. Initial resistance at 500 FPM is 1.2\" w.g. across the V2400 line, giving facility engineers latitude to specify filter housings sized for either standard 500 FPM HVAC velocity or higher-velocity recirculation applications.\u003c\/p\u003e\n\n\u003ch3\u003eClosed-cell neoprene downstream gasket\u003c\/h3\u003e\n\u003cp\u003eEach V2400 ships with a \u003cstrong\u003e1\/4\" x 3\/4\" closed-cell neoprene gasket on the downstream side\u003c\/strong\u003e. The gasket creates a positive seal against the filter housing track, preventing bypass during installation. Other gasket configurations and frame materials (galvanized steel, stainless steel) are available on request — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your housing specifications.\u003c\/p\u003e\n\n\u003ch3\u003eUL 900 classified, American manufactured components\u003c\/h3\u003e\n\u003cp\u003eThe V2400 carries a \u003cstrong\u003eUL 900 fire classification\u003c\/strong\u003e and is manufactured from high-quality American components. It is suitable for use as a final filter in cleanroom, isolation room, biocontainment, and laminar-flow applications where serial-numbered traceability is required for facility certification and validation testing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eEach variant ships in cartons per Koch's standard packaging. Refer to your variant's label for case quantity. The price you see is the \u003cstrong\u003eper-filter price\u003c\/strong\u003e; case quantities and freight on full pallets are quoted on request.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications — Koch BioMAX V2400 (99.99%)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99.99% on 0.3 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Water-repellent microfiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleat design:\u003c\/strong\u003e 5V mini-pleat bead-separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e Aluminum (galvanized steel and stainless steel available on request)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealant:\u003c\/strong\u003e Non off-gassing polyurethane, fully potted pack-to-frame interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e 1\/4\" x 3\/4\" closed-cell neoprene, downstream side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e 1.2\" w.g. at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum face velocity:\u003c\/strong\u003e 650 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e UL 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e Made from high-quality American components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 24x24x11-1\/2, 23-3\/8x23-3\/8x11-1\/2, 24x12x11-1\/2, 23-3\/8x11-3\/8x11-1\/2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/BioMAX_V2400_Nov_2023.pdf?v=1777916485\" target=\"_blank\" rel=\"noopener\"\u003eView the Koch BioMAX V2400 bulletin (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eNeed a different size, frame material, or gasket configuration?\u003c\/h3\u003e\n\u003cp\u003eCustom HEPA configurations — non-standard sizes, alternative frame materials (galvanized steel, stainless steel), upstream gaskets, or knife-edge \/ fluid-seal frames — are available through Koch on quoted lead time. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your housing dimensions and any special requirements (cleanroom validation packages, pharmacopoeial documentation, certified scan reports), and our commercial team will work with Koch to spec the right filter for your application.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24x24x11-1\/2","offer_id":44119391043706,"sku":"114-811-001","price":2278.5,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x23-3\/8x11-1\/2","offer_id":44119391076474,"sku":"114-811-002","price":1796.76,"currency_code":"USD","in_stock":true},{"title":"24x12x11-1\/2","offer_id":44119391109242,"sku":"114-811-003","price":1477.75,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x11-3\/8x11-1\/2","offer_id":44119391142010,"sku":"114-811-004","price":1141.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_bdebcf53-ea07-4251-8739-e5d249b53d99.jpg?v=1777985426"},{"product_id":"koch-biomax-v2400-99-97-aluminum-mini-pleat-hepa-filter","title":"Koch BioMAX V2400 99.97% Aluminum Mini-Pleat HEPA Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch BioMAX V2400\u003c\/strong\u003e is a high-capacity mini-pleat HEPA filter in a 5V-bank configuration. The aluminum-frame variant is built for \u003cstrong\u003epharmaceutical, hospital, biotech laboratory, and other critical environments\u003c\/strong\u003e where airborne contaminant control is paramount — protecting people, processes, and equipment with 99.97% efficiency on 0.3-micron particles. Filters are tested for overall efficiency at the factory.\u003c\/p\u003e\n\n\u003ch3\u003eMini-pleat 5V-bank construction\u003c\/h3\u003e\n\u003cp\u003eThe V2400 uses a \u003cstrong\u003emini-pleat bead-separator pack\u003c\/strong\u003e assembled in a V-bank configuration within rigid aluminum cell sides. The mini-pleat geometry maximizes media area in a compact 11-1\/2\" depth, delivering more dust-holding capacity, longer service life, and lower pressure drop than conventional HEPA filter designs.\u003c\/p\u003e\n\n\u003ch3\u003eWater-repellent microfiberglass media\u003c\/h3\u003e\n\u003cp\u003eThe pack is constructed of \u003cstrong\u003ewater-repellent ultra-fine microfiberglass media\u003c\/strong\u003e. The pleat spacing is maintained by an adhesive bead, eliminating the need for separator strips and improving airflow characteristics. The water-repellent treatment provides protection against humidity exposure during installation and operation.\u003c\/p\u003e\n\n\u003ch3\u003eLeak-free polyurethane sealant\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003enon off-gassing polyurethane sealant\u003c\/strong\u003e bonds the pack to the frame, fully potting the interface between filter pack and frame. This eliminates the bypass leakage pathways common in mechanically-clamped HEPA filter assemblies and ensures the filter performs at its rated efficiency throughout service life.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-velocity capability\u003c\/h3\u003e\n\u003cp\u003eBecause of the V2400's structural integrity, it can be installed in HVAC systems with \u003cstrong\u003eface velocities up to 650 FPM\u003c\/strong\u003e. Initial resistance at 500 FPM is 1.2\" w.g. across the V2400 line, giving facility engineers latitude to specify filter housings sized for either standard 500 FPM HVAC velocity or higher-velocity recirculation applications.\u003c\/p\u003e\n\n\u003ch3\u003eClosed-cell neoprene downstream gasket\u003c\/h3\u003e\n\u003cp\u003eEach V2400 ships with a \u003cstrong\u003e1\/4\" x 3\/4\" closed-cell neoprene gasket on the downstream side\u003c\/strong\u003e. The gasket creates a positive seal against the filter housing track, preventing bypass during installation. Other gasket configurations and frame materials (galvanized steel, stainless steel) are available on request — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your housing specifications.\u003c\/p\u003e\n\n\u003ch3\u003eUL 900 classified, American manufactured components\u003c\/h3\u003e\n\u003cp\u003eThe V2400 carries a \u003cstrong\u003eUL 900 fire classification\u003c\/strong\u003e and is manufactured from high-quality American components. It is suitable for use as a final filter in cleanroom, isolation room, biocontainment, and laminar-flow applications where serial-numbered traceability is required for facility certification and validation testing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eEach variant ships in cartons per Koch's standard packaging. Refer to your variant's label for case quantity. The price you see is the \u003cstrong\u003eper-filter price\u003c\/strong\u003e; case quantities and freight on full pallets are quoted on request.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications — Koch BioMAX V2400 (99.97%)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99.97% on 0.3 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Water-repellent microfiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleat design:\u003c\/strong\u003e 5V mini-pleat bead-separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e Aluminum (galvanized steel and stainless steel available on request)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealant:\u003c\/strong\u003e Non off-gassing polyurethane, fully potted pack-to-frame interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e 1\/4\" x 3\/4\" closed-cell neoprene, downstream side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e 1.2\" w.g. at 500 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum face velocity:\u003c\/strong\u003e 650 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e UL 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e Made from high-quality American components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 24x24x11-1\/2, 23-3\/8x23-3\/8x11-1\/2, 24x12x11-1\/2, 23-3\/8x11-3\/8x11-1\/2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/BioMAX_V2400_Nov_2023.pdf?v=1777916485\" target=\"_blank\" rel=\"noopener\"\u003eView the Koch BioMAX V2400 bulletin (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eNeed a different size, frame material, or gasket configuration?\u003c\/h3\u003e\n\u003cp\u003eCustom HEPA configurations — non-standard sizes, alternative frame materials (galvanized steel, stainless steel), upstream gaskets, or knife-edge \/ fluid-seal frames — are available through Koch on quoted lead time. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your housing dimensions and any special requirements (cleanroom validation packages, pharmacopoeial documentation, certified scan reports), and our commercial team will work with Koch to spec the right filter for your application.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24x24x11-1\/2","offer_id":44119391174778,"sku":"114-810-001","price":1822.8,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x23-3\/8x11-1\/2","offer_id":44119391207546,"sku":"114-810-002","price":1796.76,"currency_code":"USD","in_stock":true},{"title":"24x12x11-1\/2","offer_id":44119391240314,"sku":"114-810-003","price":1182.22,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x11-3\/8x11-1\/2","offer_id":44119391273082,"sku":"114-810-004","price":1171.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_28b6e942-cb50-4a27-b40e-5c0fe23f3bc6.jpg?v=1777985433"},{"product_id":"koch-biomax-v2400-p-99-99-abs-plastic-mini-pleat-hepa-filter","title":"Koch BioMAX V2400-P 99.99% ABS Plastic Mini-Pleat HEPA Filter (Scanned)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch BioMAX V2400-P\u003c\/strong\u003e is the \u003cstrong\u003emolded ABS-plastic-frame variant\u003c\/strong\u003e of the BioMAX V2400 mini-pleat HEPA filter. It delivers the same 99.99% efficiency on 0.3-micron particles as the aluminum V2400 but in a lighter, corrosion-resistant plastic housing — engineered for \u003cstrong\u003epharmaceutical compounding, hospital isolation, biotech laboratories, and cleanroom applications\u003c\/strong\u003e where ABS plastic is preferred over metal frames for chemical compatibility, cleaning protocol, or weight considerations. Each filter is individually \u003cstrong\u003escan-tested\u003c\/strong\u003e at the factory and serial-numbered for traceability.\u003c\/p\u003e\n\n\u003ch3\u003eWhy molded ABS plastic?\u003c\/h3\u003e\n\u003cp\u003eAn \u003cstrong\u003eABS (Acrylonitrile Butadiene Styrene)\u003c\/strong\u003e plastic frame offers several advantages over aluminum in critical-environment HVAC applications: it does not corrode in environments with humidity, cleaning chemistries, or process gas exposure; it is significantly lighter than aluminum (easier and safer for change-out in overhead housings); it has no metal-to-metal contact concerns at gasket interfaces; and it is fully recyclable at end of service life.\u003c\/p\u003e\n\n\u003ch3\u003eMini-pleat 5V-bank construction\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P uses the same \u003cstrong\u003emini-pleat bead-separator pack\u003c\/strong\u003e design as the aluminum V2400, assembled in a V-bank configuration within the molded ABS plastic frame. The mini-pleat geometry maximizes media area in a compact 11-1\/2\" depth, delivering high dust-holding capacity, long service life, and low pressure drop relative to conventional HEPA filter designs.\u003c\/p\u003e\n\n\u003ch3\u003eWater-repellent microfiberglass media\u003c\/h3\u003e\n\u003cp\u003eThe pack is constructed of \u003cstrong\u003ewater-repellent ultra-fine fiberglass media\u003c\/strong\u003e. Pleat spacing is maintained by an adhesive bead with no separator strips. The water-repellent treatment provides resistance to incidental humidity exposure during installation and operation.\u003c\/p\u003e\n\n\u003ch3\u003eFully potted polyurethane sealant\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003esolid polyurethane sealant fully encapsulates the pack-to-frame interface\u003c\/strong\u003e, eliminating bypass leakage pathways. The polyurethane is non off-gassing, suitable for pharmaceutical compounding, isolation, and laboratory environments where VOC emission from filter components is a validation concern.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-velocity capability\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P can be installed in HVAC systems with \u003cstrong\u003eface velocities up to 650 FPM\u003c\/strong\u003e. Initial resistance at 600 FPM is 1.24\" w.g. (per Koch performance data), providing flexibility for high-velocity recirculation applications and laminar-flow cleanroom designs.\u003c\/p\u003e\n\n\u003ch3\u003eClosed-cell neoprene downstream gasket\u003c\/h3\u003e\n\u003cp\u003eEach V2400-P ships with a \u003cstrong\u003e1\/4\" x 3\/4\" closed-cell neoprene gasket on the downstream side\u003c\/strong\u003e. Other gasket configurations (upstream, both sides, knife-edge fluid seal) are available on request — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your housing specifications.\u003c\/p\u003e\n\n\u003ch3\u003eISO 9001, validated for critical environments\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P is manufactured by an \u003cstrong\u003eISO 9001 registered facility\u003c\/strong\u003e and is rated for \u003cstrong\u003econtinuous operation up to 122 degrees F\u003c\/strong\u003e. Each filter is certified to provide the specified minimum overall efficiency on 0.3 micrometer particles, suitable for use as a final filter in cleanroom, biocontainment, isolation room, and laminar-flow applications.\u003c\/p\u003e\n\n\u003ch3\u003ePricing — Call for quote\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P line is priced through \u003cstrong\u003equote-confirmed ordering\u003c\/strong\u003e rather than catalog list pricing. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your size requirements, quantity, frame and gasket specifications, and any cleanroom validation documentation needs, and our commercial team will return a quote within one business day.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications — Koch BioMAX V2400-P (99.99%)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99.99% on 0.3 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Water-repellent microfiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleat design:\u003c\/strong\u003e 5V mini-pleat bead-separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e Molded ABS (Acrylonitrile Butadiene Styrene) plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealant:\u003c\/strong\u003e Non off-gassing polyurethane, fully potted pack-to-frame interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e 1\/4\" x 3\/4\" closed-cell neoprene, downstream side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e 1.24\" w.g. at 600 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum face velocity:\u003c\/strong\u003e 650 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating temperature:\u003c\/strong\u003e 122 degrees F (50 degrees C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e ISO 9001 registered facility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 24x24x11-1\/2, 23-3\/8x23-3\/8x11-1\/2, 24x12x11-1\/2, 23-3\/8x11-3\/8x11-1\/2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/BioMAX_V2400-P_Jan_2026.pdf?v=1777916538\" target=\"_blank\" rel=\"noopener\"\u003eView the Koch BioMAX V2400-P bulletin (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eV2400 vs V2400-P: which frame is right for your application?\u003c\/h3\u003e\n\u003cp\u003eIf you need \u003cstrong\u003eUL 900 classification\u003c\/strong\u003e, prefer aluminum's structural strength, or specifications call for metal-frame HEPA, the standard \u003ca href=\"\/products\/koch-biomax-v2400-99-99-aluminum-mini-pleat-hepa-filter\"\u003eBioMAX V2400 (aluminum)\u003c\/a\u003e is the answer. Choose the V2400-P when corrosion resistance, weight reduction, or chemical compatibility favor a plastic frame.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24x24x11-1\/2","offer_id":44119391305850,"sku":"114-851-101","price":0.0,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x23-3\/8x11-1\/2","offer_id":44119391338618,"sku":"114-851-102","price":0.0,"currency_code":"USD","in_stock":true},{"title":"24x12x11-1\/2","offer_id":44119391371386,"sku":"114-851-103","price":0.0,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x11-3\/8x11-1\/2","offer_id":44119391404154,"sku":"114-851-104","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_5c38e90e-e536-48bd-8ef0-d400a8c99d9d.jpg?v=1777985439"},{"product_id":"koch-biomax-v2400-p-99-97-abs-plastic-mini-pleat-hepa-filter","title":"Koch BioMAX V2400-P 99.97% ABS Plastic Mini-Pleat HEPA Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch BioMAX V2400-P\u003c\/strong\u003e is the \u003cstrong\u003emolded ABS-plastic-frame variant\u003c\/strong\u003e of the BioMAX V2400 mini-pleat HEPA filter. It delivers the same 99.97% efficiency on 0.3-micron particles as the aluminum V2400 but in a lighter, corrosion-resistant plastic housing — engineered for \u003cstrong\u003epharmaceutical compounding, hospital isolation, biotech laboratories, and cleanroom applications\u003c\/strong\u003e where ABS plastic is preferred over metal frames for chemical compatibility, cleaning protocol, or weight considerations. Filters are tested for overall efficiency at the factory.\u003c\/p\u003e\n\n\u003ch3\u003eWhy molded ABS plastic?\u003c\/h3\u003e\n\u003cp\u003eAn \u003cstrong\u003eABS (Acrylonitrile Butadiene Styrene)\u003c\/strong\u003e plastic frame offers several advantages over aluminum in critical-environment HVAC applications: it does not corrode in environments with humidity, cleaning chemistries, or process gas exposure; it is significantly lighter than aluminum (easier and safer for change-out in overhead housings); it has no metal-to-metal contact concerns at gasket interfaces; and it is fully recyclable at end of service life.\u003c\/p\u003e\n\n\u003ch3\u003eMini-pleat 5V-bank construction\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P uses the same \u003cstrong\u003emini-pleat bead-separator pack\u003c\/strong\u003e design as the aluminum V2400, assembled in a V-bank configuration within the molded ABS plastic frame. The mini-pleat geometry maximizes media area in a compact 11-1\/2\" depth, delivering high dust-holding capacity, long service life, and low pressure drop relative to conventional HEPA filter designs.\u003c\/p\u003e\n\n\u003ch3\u003eWater-repellent microfiberglass media\u003c\/h3\u003e\n\u003cp\u003eThe pack is constructed of \u003cstrong\u003ewater-repellent ultra-fine fiberglass media\u003c\/strong\u003e. Pleat spacing is maintained by an adhesive bead with no separator strips. The water-repellent treatment provides resistance to incidental humidity exposure during installation and operation.\u003c\/p\u003e\n\n\u003ch3\u003eFully potted polyurethane sealant\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003esolid polyurethane sealant fully encapsulates the pack-to-frame interface\u003c\/strong\u003e, eliminating bypass leakage pathways. The polyurethane is non off-gassing, suitable for pharmaceutical compounding, isolation, and laboratory environments where VOC emission from filter components is a validation concern.\u003c\/p\u003e\n\n\u003ch3\u003eHigh-velocity capability\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P can be installed in HVAC systems with \u003cstrong\u003eface velocities up to 650 FPM\u003c\/strong\u003e. Initial resistance at 600 FPM is 1.24\" w.g. (per Koch performance data), providing flexibility for high-velocity recirculation applications and laminar-flow cleanroom designs.\u003c\/p\u003e\n\n\u003ch3\u003eClosed-cell neoprene downstream gasket\u003c\/h3\u003e\n\u003cp\u003eEach V2400-P ships with a \u003cstrong\u003e1\/4\" x 3\/4\" closed-cell neoprene gasket on the downstream side\u003c\/strong\u003e. Other gasket configurations (upstream, both sides, knife-edge fluid seal) are available on request — \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e with your housing specifications.\u003c\/p\u003e\n\n\u003ch3\u003eISO 9001, validated for critical environments\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P is manufactured by an \u003cstrong\u003eISO 9001 registered facility\u003c\/strong\u003e and is rated for \u003cstrong\u003econtinuous operation up to 122 degrees F\u003c\/strong\u003e. Each filter is certified to provide the specified minimum overall efficiency on 0.3 micrometer particles, suitable for use as a final filter in cleanroom, biocontainment, isolation room, and laminar-flow applications.\u003c\/p\u003e\n\n\u003ch3\u003ePricing — Call for quote\u003c\/h3\u003e\n\u003cp\u003eThe V2400-P line is priced through \u003cstrong\u003equote-confirmed ordering\u003c\/strong\u003e rather than catalog list pricing. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your size requirements, quantity, frame and gasket specifications, and any cleanroom validation documentation needs, and our commercial team will return a quote within one business day.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications — Koch BioMAX V2400-P (99.97%)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99.97% on 0.3 micron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Water-repellent microfiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePleat design:\u003c\/strong\u003e 5V mini-pleat bead-separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e Molded ABS (Acrylonitrile Butadiene Styrene) plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealant:\u003c\/strong\u003e Non off-gassing polyurethane, fully potted pack-to-frame interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e 1\/4\" x 3\/4\" closed-cell neoprene, downstream side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial resistance:\u003c\/strong\u003e 1.24\" w.g. at 600 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum face velocity:\u003c\/strong\u003e 650 FPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating temperature:\u003c\/strong\u003e 122 degrees F (50 degrees C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e ISO 9001 registered facility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 24x24x11-1\/2, 23-3\/8x23-3\/8x11-1\/2, 24x12x11-1\/2, 23-3\/8x11-3\/8x11-1\/2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/BioMAX_V2400-P_Jan_2026.pdf?v=1777916538\" target=\"_blank\" rel=\"noopener\"\u003eView the Koch BioMAX V2400-P bulletin (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eV2400 vs V2400-P: which frame is right for your application?\u003c\/h3\u003e\n\u003cp\u003eIf you need \u003cstrong\u003eUL 900 classification\u003c\/strong\u003e, prefer aluminum's structural strength, or specifications call for metal-frame HEPA, the standard \u003ca href=\"\/products\/koch-biomax-v2400-99-99-aluminum-mini-pleat-hepa-filter\"\u003eBioMAX V2400 (aluminum)\u003c\/a\u003e is the answer. Choose the V2400-P when corrosion resistance, weight reduction, or chemical compatibility favor a plastic frame.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"24x24x11-1\/2","offer_id":44119391436922,"sku":"114-852-101","price":0.0,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x23-3\/8x11-1\/2","offer_id":44119391469690,"sku":"114-852-102","price":0.0,"currency_code":"USD","in_stock":true},{"title":"24x12x11-1\/2","offer_id":44119391502458,"sku":"114-852-103","price":0.0,"currency_code":"USD","in_stock":true},{"title":"23-3\/8x11-3\/8x11-1\/2","offer_id":44119391535226,"sku":"114-852-104","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_28300491-2c80-474b-9438-9ecd4e039355.jpg?v=1777985445"}],"url":"https:\/\/www.rememberthefilter.com\/collections\/cleanroom-amc-filters.oembed","provider":"RememberTheFilter.com","version":"1.0","type":"link"}