{"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","url":"https:\/\/www.rememberthefilter.com\/products\/koch-durakleen-single-header-merv-8-cps-carbon-filter","provider":"RememberTheFilter.com","version":"1.0","type":"link"}