{"title":"Koch DURAMAX V-Bank Pleated Filters | Extended Surface for AHUs","description":"\u003cp\u003eKoch \u003cstrong\u003eDURAMAX\u003c\/strong\u003e is the V-bank extended-surface pleated filter line for commercial AHUs with depth constraints. Where rigid Multi-Cell or pocket Multi-Sak filters won't fit, DURAMAX delivers extended-surface media area in a header-style configuration that drops into existing 12″ rigid filter tracks. \u003cstrong\u003eDURAMAX 2v, 3v, 3vS, 4v, 4vS, 4vGT\u003c\/strong\u003e cover the standard MERV 11 through MERV 15 commercial range. \u003cstrong\u003eDURAGLOVE\u003c\/strong\u003e adds a fabric outer-glove for high-debris environments. Standard Capacity and High Capacity (HC) variants for matching AHU CFM and pressure-drop budget. The right answer when a Multi-Cell rigid won't fit but pleated panels won't deliver enough service life.\u003c\/p\u003e","products":[{"product_id":"24x24x12-koch-duramax-4v-merv-16-111-600-101","title":"24x24x12 Koch DuraMAX 4v MERV 16 111-600-101 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v\u003c\/strong\u003e filter (part number 111-600-101) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a high-capacity minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 4v packs an unusually high amount of microfiberglass media into a rigid extended-surface filter — a 24″ × 24″ × 12″ frame holds 194 square feet of media. The result is low pressure drop, lower energy cost, and longer service life between changeouts.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable air volume (VAV) and high-velocity HVAC\u003c\/strong\u003e — rigid construction holds pleat geometry under turbulent airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-conscious commercial buildings\u003c\/strong\u003e — low initial pressure drop reduces fan power consumption over the filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — works as a primary or final stage depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4V-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with the bonus of simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118725066874,"sku":"111-600-101","price":349.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_6c68155c-833a-4808-8747-c7471377511b.png?v=1777648707"},{"product_id":"20x24x12-koch-duramax-4v-merv-16-111-600-102","title":"20x24x12 Koch DuraMAX 4v MERV 16 111-600-102 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v\u003c\/strong\u003e filter (part number 111-600-102) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a high-capacity minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 4v packs an unusually high amount of microfiberglass media into a rigid extended-surface filter — a 24″ × 24″ × 12″ frame holds 194 square feet of media. The result is low pressure drop, lower energy cost, and longer service life between changeouts.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable air volume (VAV) and high-velocity HVAC\u003c\/strong\u003e — rigid construction holds pleat geometry under turbulent airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-conscious commercial buildings\u003c\/strong\u003e — low initial pressure drop reduces fan power consumption over the filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — works as a primary or final stage depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4V-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with the bonus of simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118725099642,"sku":"111-600-102","price":338.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_bbd6719f-597e-49b0-b88d-f79d79abafc3.png?v=1777648714"},{"product_id":"20x20x12-koch-duramax-4v-merv-16-111-600-301","title":"20x20x12 Koch DuraMAX 3v MERV 16 111-600-301 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 20″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-600-301) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a high-capacity minipleat design with an all-plastic frame. Due to dimensional constraints, the 20″ × 20″ × 12″ size is built in a \u003cstrong\u003e3v configuration\u003c\/strong\u003e (three v-banks rather than four) while retaining the same all-plastic-frame, minipleat construction and MERV performance.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v packs an unusually high amount of microfiberglass media into a rigid extended-surface filter — a 24″ × 24″ × 12″ frame holds 194 square feet of media. The result is low pressure drop, lower energy cost, and longer service life between changeouts.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable air volume (VAV) and high-velocity HVAC\u003c\/strong\u003e — rigid construction holds pleat geometry under turbulent airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-conscious commercial buildings\u003c\/strong\u003e — low initial pressure drop reduces fan power consumption over the filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — works as a primary or final stage depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3V-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with the bonus of simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118725132410,"sku":"111-600-301","price":284.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_391195d7-f2a0-4bd2-9a7e-3caf47e92dd1.png?v=1777648721"},{"product_id":"12x24x12-koch-duramax-4v-merv-16-111-600-103","title":"12x24x12 Koch DuraMAX 4v MERV 16 111-600-103 (2 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v\u003c\/strong\u003e filter (part number 111-600-103) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a high-capacity minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 4v packs an unusually high amount of microfiberglass media into a rigid extended-surface filter — a 24″ × 24″ × 12″ frame holds 194 square feet of media. The result is low pressure drop, lower energy cost, and longer service life between changeouts.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable air volume (VAV) and high-velocity HVAC\u003c\/strong\u003e — rigid construction holds pleat geometry under turbulent airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-conscious commercial buildings\u003c\/strong\u003e — low initial pressure drop reduces fan power consumption over the filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — works as a primary or final stage depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4V-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with the bonus of simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118725197946,"sku":"111-600-103","price":528.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_6f556d8d-bfe1-4e8c-97f0-08a3334482b6.png?v=1777648731"},{"product_id":"24x24x12-koch-duramax-4v-merv-14-111-601-101","title":"24x24x12 Koch DuraMAX 4v MERV 14 111-601-101 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v\u003c\/strong\u003e filter (part number 111-601-101) delivers \u003cstrong\u003eMERV 14\u003c\/strong\u003e (95%) filtration in a high-capacity minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 4v packs an unusually high amount of microfiberglass media into a rigid extended-surface filter — a 24″ × 24″ × 12″ frame holds 194 square feet of media. The result is low pressure drop, lower energy cost, and longer service life between changeouts.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable air volume (VAV) and high-velocity HVAC\u003c\/strong\u003e — rigid construction holds pleat geometry under turbulent airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-conscious commercial buildings\u003c\/strong\u003e — low initial pressure drop reduces fan power consumption over the filter life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — works as a primary or final stage depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4V-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 14 (95% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 14 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing most sub-micron particles including smoke, bacteria, and many viruses. Specified in hospitals, surgical suites, pharmaceutical, and demanding cleanroom pre-filter applications.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. 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The faceguards protect the pleat geometry during high-velocity airflow, rough handling, and aggressive changeouts where bare pleats would be vulnerable to damage.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4v GT is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-velocity industrial systems\u003c\/strong\u003e — faceguards prevent pleat collapse and damage at face velocities above standard HVAC ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine and rotating equipment inlets\u003c\/strong\u003e — protected pleats stand up to pulsation, surge, and turbulence\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive maintenance environments\u003c\/strong\u003e — filters survive rough changeouts in tight or hard-to-access housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransport-sensitive installations\u003c\/strong\u003e — faceguards protect filters during shipping and handling to remote or industrial sites\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable; faceguards are removable for separation if required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaceguards:\u003c\/strong\u003e Expanded metal cloth, upstream and downstream\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 194 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 14 (95% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 14 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing most sub-micron particles including smoke, bacteria, and many viruses. Specified in hospitals, surgical suites, pharmaceutical, and demanding cleanroom pre-filter applications.\u003c\/p\u003e\u003ch3\u003eDuraMAX 4v vs. DuraMAX 4v GT\u003c\/h3\u003e\u003cp\u003eThe standard DuraMAX 4v is the right choice for most commercial HVAC applications. The 4v GT adds faceguards specifically for installations where the pleats face mechanical stress — high-velocity industrial systems, gas turbine inlets, and demanding maintenance environments. If you’re replacing a filter that previously had faceguards, match it with the GT variant.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v GT drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive faceguarded minipleat filters in the same nominal size. 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Specified in healthcare, clinics, labs, and high-IAQ commercial spaces.\u003c\/p\u003e\u003ch3\u003eDuraMAX 4v vs. DuraMAX 4v GT\u003c\/h3\u003e\u003cp\u003eThe standard DuraMAX 4v is the right choice for most commercial HVAC applications. The 4v GT adds faceguards specifically for installations where the pleats face mechanical stress — high-velocity industrial systems, gas turbine inlets, and demanding maintenance environments. If you’re replacing a filter that previously had faceguards, match it with the GT variant.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4v GT drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive faceguarded minipleat filters in the same nominal size. 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The minipleat construction packs 200 sq ft of media into the 24″ × 24″ × 12″ reference frame, holding pressure drop low and service life long.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 4vS-16 is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine air intakes\u003c\/strong\u003e — synthetic media stands up to high face velocity and humidity swings without shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-moisture HVAC systems\u003c\/strong\u003e — marine, coastal, food processing, and humid industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-velocity commercial air handlers\u003c\/strong\u003e — rigid construction holds pleat geometry under aggressive airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical IAQ applications\u003c\/strong\u003e — healthcare, labs, and pharmaceutical facilities targeting MERV 16 as the final filter stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layer synthetic, engineered for high-efficiency air filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia area:\u003c\/strong\u003e 200 sq ft (24″ × 24″ × 12″ reference size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. 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Specified in healthcare, pharmaceutical, and high-IAQ commercial systems where the next step up is HEPA-class filtration.\u003c\/p\u003e\u003ch3\u003eSynthetic vs. microfiberglass: which to choose\u003c\/h3\u003e\u003cp\u003eIf your application has high humidity, occasional moisture exposure, high face velocity, or any condition where glass-fiber media has historically shed or torn, the synthetic DuraMAX 4vS is the right choice. For dry, standard-velocity commercial HVAC, the microfiberglass DuraMAX 4v is typically more cost-effective. When in doubt, match what the equipment manufacturer or filter spec sheet calls for.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 4vS drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive synthetic-media minipleat filters in the same nominal size. The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118726574202,"sku":"111-692-103","price":625.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_aff2b078-b275-4c78-b506-45622c8ccd29.png?v=1777650584"},{"product_id":"24x24x12-koch-duramax-3v-merv-16-111-600-401","title":"24x24x12 Koch DuraMAX 3v MERV 16 111-600-401 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-600-401) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. 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Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. 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It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. 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Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. 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Specified in hospitals, surgical suites, pharmaceutical, and demanding cleanroom pre-filter applications.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729490554,"sku":"111-601-401","price":252.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_acfae007-cd6c-4f79-beb1-c9d0e2656a86.jpg?v=1777652396"},{"product_id":"20x24x12-koch-duramax-3v-merv-14-111-601-402","title":"20x24x12 Koch DuraMAX 3v MERV 14 111-601-402 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-601-402) delivers \u003cstrong\u003eMERV 14\u003c\/strong\u003e (95%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 14 (95% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 14 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing most sub-micron particles including smoke, bacteria, and many viruses. Specified in hospitals, surgical suites, pharmaceutical, and demanding cleanroom pre-filter applications.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729523322,"sku":"111-601-402","price":257.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_e6039c25-3029-409d-a4e7-9e31e491ecf1.jpg?v=1777652400"},{"product_id":"12x24x12-koch-duramax-3v-merv-14-111-601-403","title":"12x24x12 Koch DuraMAX 3v MERV 14 111-601-403 (2 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-601-403) delivers \u003cstrong\u003eMERV 14\u003c\/strong\u003e (95%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 14 (95% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 14 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing most sub-micron particles including smoke, bacteria, and many viruses. Specified in hospitals, surgical suites, pharmaceutical, and demanding cleanroom pre-filter applications.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729556090,"sku":"111-601-403","price":429.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_fd0767f3-4b75-4880-8c44-d34e052d9a30.jpg?v=1777652406"},{"product_id":"24x24x12-koch-duramax-3v-merv-11-111-604-401","title":"24x24x12 Koch DuraMAX 3v MERV 11 111-604-401 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-604-401) delivers \u003cstrong\u003eMERV 11\u003c\/strong\u003e (65%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 11 (65% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 11 captures\u003c\/h3\u003e\u003cp\u003eCaptures fine dust, smoke, auto fumes, and most airborne particles down to 1 micron. A strong general-purpose efficiency for offices, schools, hotels, and light industrial.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729588858,"sku":"111-604-401","price":276.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_e6391249-864a-4cae-96db-c39ec776ab26.jpg?v=1777652411"},{"product_id":"20x24x12-koch-duramax-3v-merv-11-111-604-402","title":"20x24x12 Koch DuraMAX 3v MERV 11 111-604-402 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-604-402) delivers \u003cstrong\u003eMERV 11\u003c\/strong\u003e (65%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 11 (65% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 11 captures\u003c\/h3\u003e\u003cp\u003eCaptures fine dust, smoke, auto fumes, and most airborne particles down to 1 micron. A strong general-purpose efficiency for offices, schools, hotels, and light industrial.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729621626,"sku":"111-604-402","price":257.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_18cf6370-f7e3-4987-a3ad-4429f4e53185.jpg?v=1777652418"},{"product_id":"12x24x12-koch-duramax-3v-merv-11-111-604-403","title":"12x24x12 Koch DuraMAX 3v MERV 11 111-604-403 (2 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3v\u003c\/strong\u003e filter (part number 111-604-403) delivers \u003cstrong\u003eMERV 11\u003c\/strong\u003e (65%) filtration in a 3-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3v is the value-tier sibling to the 4v. It uses the same proven all-plastic-frame, microfiberglass minipleat construction but with three v-banks of pleats rather than four — trading some media surface area for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — same MERV performance as the 4v at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration systems\u003c\/strong\u003e — reliable performance as a pre-filter ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-limited installations\u003c\/strong\u003e — reverse-installable when housing access requires it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 11 (65% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 11 captures\u003c\/h3\u003e\u003cp\u003eCaptures fine dust, smoke, auto fumes, and most airborne particles down to 1 micron. A strong general-purpose efficiency for offices, schools, hotels, and light industrial.\u003c\/p\u003e\u003ch3\u003eDuraMAX 3v vs. DuraMAX 4v\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The 3v has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3v when filter cost matters more than energy savings or extended changeout intervals; choose the 4v when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive minipleat filters in the same nominal size. For systems that previously used metal-framed rigid cells, the all-plastic DuraMAX is a direct upgrade with simplified end-of-life disposal.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118729654394,"sku":"111-604-403","price":427.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_57ee92a8-68f0-4a66-b054-235e61b61174.jpg?v=1777652425"},{"product_id":"24x24x12-koch-duramax-3vs-16-merv-16-111-691-401","title":"24x24x12 Koch DuraMAX 3vS-16 Synthetic Media MERV 16 111-691-401 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS-16\u003c\/strong\u003e filter (part number 111-691-401) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS-16 is the value-tier sibling to the 4-bank DuraMAX 4vS-16. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. Less media surface area trades some service life for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3vS-16 is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious high-moisture systems\u003c\/strong\u003e — same synthetic-media performance as the 4vS at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine air intakes\u003c\/strong\u003e — synthetic media stands up to high face velocity and humidity swings without shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine, coastal, and humid industrial HVAC\u003c\/strong\u003e — where glass-fiber media historically degrades or sheds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood processing and pharmaceutical\u003c\/strong\u003e — clean-disposal synthetic in environments with frequent washdowns or sanitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layer synthetic, engineered for high-efficiency air filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eSynthetic vs. microfiberglass: which to choose\u003c\/h3\u003e\u003cp\u003eIf your application has high humidity, occasional moisture exposure, high face velocity, or any condition where glass-fiber media has historically shed or torn, the synthetic DuraMAX 3vS-16 is the right choice. For dry, standard-velocity commercial HVAC, the microfiberglass DuraMAX 3v is typically more cost-effective. When in doubt, match what the equipment manufacturer or filter spec sheet calls for.\u003c\/p\u003e\u003ch3\u003e3v vs. 4v: which to choose\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, synthetic media, and MERV ratings. The 4vS packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The DuraMAX 3vS-16 has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3vS when filter cost matters more than energy savings or extended changeout intervals; choose the 4vS when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3vS-16 drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive synthetic-media minipleat filters in the same nominal size. The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731391098,"sku":"111-691-401","price":293.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_5e477827-746e-4ecb-b7cf-cdbbfbe1a6fa.jpg?v=1777652762"},{"product_id":"20x24x12-koch-duramax-3vs-16-merv-16-111-691-402","title":"20x24x12 Koch DuraMAX 3vS-16 Synthetic Media MERV 16 111-691-402 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS-16\u003c\/strong\u003e filter (part number 111-691-402) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS-16 is the value-tier sibling to the 4-bank DuraMAX 4vS-16. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. Less media surface area trades some service life for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3vS-16 is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious high-moisture systems\u003c\/strong\u003e — same synthetic-media performance as the 4vS at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine air intakes\u003c\/strong\u003e — synthetic media stands up to high face velocity and humidity swings without shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine, coastal, and humid industrial HVAC\u003c\/strong\u003e — where glass-fiber media historically degrades or sheds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood processing and pharmaceutical\u003c\/strong\u003e — clean-disposal synthetic in environments with frequent washdowns or sanitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layer synthetic, engineered for high-efficiency air filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eSynthetic vs. microfiberglass: which to choose\u003c\/h3\u003e\u003cp\u003eIf your application has high humidity, occasional moisture exposure, high face velocity, or any condition where glass-fiber media has historically shed or torn, the synthetic DuraMAX 3vS-16 is the right choice. For dry, standard-velocity commercial HVAC, the microfiberglass DuraMAX 3v is typically more cost-effective. When in doubt, match what the equipment manufacturer or filter spec sheet calls for.\u003c\/p\u003e\u003ch3\u003e3v vs. 4v: which to choose\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, synthetic media, and MERV ratings. The 4vS packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The DuraMAX 3vS-16 has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3vS when filter cost matters more than energy savings or extended changeout intervals; choose the 4vS when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3vS-16 drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive synthetic-media minipleat filters in the same nominal size. The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731423866,"sku":"111-691-402","price":293.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_d8467550-84c3-4030-a541-181afbfb2a33.jpg?v=1777652768"},{"product_id":"20x20x12-koch-duramax-3vs-16-merv-16-111-691-301","title":"20x20x12 Koch DuraMAX 3vS-16 Synthetic Media MERV 16 111-691-301 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 20″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS-16\u003c\/strong\u003e filter (part number 111-691-301) delivers \u003cstrong\u003eMERV 16\u003c\/strong\u003e (98%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS-16 is the value-tier sibling to the 4-bank DuraMAX 4vS-16. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. Less media surface area trades some service life for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3vS-16 is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious high-moisture systems\u003c\/strong\u003e — same synthetic-media performance as the 4vS at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine air intakes\u003c\/strong\u003e — synthetic media stands up to high face velocity and humidity swings without shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine, coastal, and humid industrial HVAC\u003c\/strong\u003e — where glass-fiber media historically degrades or sheds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood processing and pharmaceutical\u003c\/strong\u003e — clean-disposal synthetic in environments with frequent washdowns or sanitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layer synthetic, engineered for high-efficiency air filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 16 (98% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 16 captures\u003c\/h3\u003e\u003cp\u003eHighest standard MERV efficiency capturing virtually all sub-micron particles including viruses, smoke, and bacteria carriers. Specified for critical IAQ applications, ISO cleanrooms, and as final filtration in multi-stage commercial systems.\u003c\/p\u003e\u003ch3\u003eSynthetic vs. microfiberglass: which to choose\u003c\/h3\u003e\u003cp\u003eIf your application has high humidity, occasional moisture exposure, high face velocity, or any condition where glass-fiber media has historically shed or torn, the synthetic DuraMAX 3vS-16 is the right choice. For dry, standard-velocity commercial HVAC, the microfiberglass DuraMAX 3v is typically more cost-effective. When in doubt, match what the equipment manufacturer or filter spec sheet calls for.\u003c\/p\u003e\u003ch3\u003e3v vs. 4v: which to choose\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, synthetic media, and MERV ratings. The 4vS packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The DuraMAX 3vS-16 has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3vS when filter cost matters more than energy savings or extended changeout intervals; choose the 4vS when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3vS-16 drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive synthetic-media minipleat filters in the same nominal size. 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It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. 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It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. 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The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731587706,"sku":"111-692-401","price":269.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_659edc72-5742-42fc-85ad-d01c4021dbbc.jpg?v=1777652788"},{"product_id":"20x24x12-koch-duramax-3vs-merv-15-111-692-402","title":"20x24x12 Koch DuraMAX 3vS Synthetic Media MERV 15 111-692-402 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS\u003c\/strong\u003e filter (part number 111-692-402) delivers \u003cstrong\u003eMERV 15\u003c\/strong\u003e (95%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS is the value-tier sibling to the 4-bank DuraMAX 4vS. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. 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The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731620474,"sku":"111-692-402","price":269.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_8219b03a-416f-483d-8cc1-21509b1c68ff.jpg?v=1777652795"},{"product_id":"20x20x12-koch-duramax-3vs-merv-15-111-692-301","title":"20x20x12 Koch DuraMAX 3vS Synthetic Media MERV 15 111-692-301 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 20″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS\u003c\/strong\u003e filter (part number 111-692-301) delivers \u003cstrong\u003eMERV 15\u003c\/strong\u003e (95%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS is the value-tier sibling to the 4-bank DuraMAX 4vS. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. 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The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731653242,"sku":"111-692-301","price":254.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_999f71bd-7afb-473b-bf2b-7ec11e64a860.jpg?v=1777652804"},{"product_id":"12x24x12-koch-duramax-3vs-merv-15-111-692-403","title":"12x24x12 Koch DuraMAX 3vS Synthetic Media MERV 15 111-692-403 (2 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 3vS\u003c\/strong\u003e filter (part number 111-692-403) delivers \u003cstrong\u003eMERV 15\u003c\/strong\u003e (95%) filtration in a 3-bank minipleat design with an all-plastic frame and \u003cstrong\u003esynthetic dual-layer media\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 3vS is the value-tier sibling to the 4-bank DuraMAX 4vS. It uses the same rugged synthetic media engineered for high-velocity and high-moisture air filtration — gas turbine air intakes, marine HVAC, food processing, and humid industrial environments — but with three v-banks of pleats rather than four. Less media surface area trades some service life for a lower price point while keeping the same MERV performance, same incinerable disposal, and same UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 3vS is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious high-moisture systems\u003c\/strong\u003e — same synthetic-media performance as the 4vS at a lower price per filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas turbine air intakes\u003c\/strong\u003e — synthetic media stands up to high face velocity and humidity swings without shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine, coastal, and humid industrial HVAC\u003c\/strong\u003e — where glass-fiber media historically degrades or sheds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFood processing and pharmaceutical\u003c\/strong\u003e — clean-disposal synthetic in environments with frequent washdowns or sanitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layer synthetic, engineered for high-efficiency air filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 15 (95% average) per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 15 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing virtually all sub-micron particles, including fine smoke, bacteria carriers, and most viruses. Specified in healthcare, pharmaceutical, and high-IAQ commercial systems where the next step up is HEPA-class filtration.\u003c\/p\u003e\u003ch3\u003eSynthetic vs. microfiberglass: which to choose\u003c\/h3\u003e\u003cp\u003eIf your application has high humidity, occasional moisture exposure, high face velocity, or any condition where glass-fiber media has historically shed or torn, the synthetic DuraMAX 3vS is the right choice. For dry, standard-velocity commercial HVAC, the microfiberglass DuraMAX 3v is typically more cost-effective. When in doubt, match what the equipment manufacturer or filter spec sheet calls for.\u003c\/p\u003e\u003ch3\u003e3v vs. 4v: which to choose\u003c\/h3\u003e\u003cp\u003eBoth share the same all-plastic frame, synthetic media, and MERV ratings. The 4vS packs four v-banks of pleats for higher media surface area — lower pressure drop, longer service life, higher initial cost. The DuraMAX 3vS has three v-banks — slightly higher pressure drop, shorter service life, lower initial cost. Choose the 3vS when filter cost matters more than energy savings or extended changeout intervals; choose the 4vS when total cost of ownership matters more.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 3vS drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive synthetic-media minipleat filters in the same nominal size. The all-plastic frame and synthetic media also make this a drop-in upgrade for facilities replacing legacy metal-framed glass-fiber filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118731686010,"sku":"111-692-403","price":376.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/nanoclass-cube-3v-pro-membrane_dbc18046-e426-4926-bef3-c44625e142eb.jpg?v=1777652808"},{"product_id":"24x24x12-koch-duramax-2v-merv-15-111-500-101","title":"24x24x12 Koch DuraMAX 2v MERV 15 111-500-101 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 2v\u003c\/strong\u003e filter (part number 111-500-101) delivers \u003cstrong\u003eMERV 15\u003c\/strong\u003e filtration in a 2-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 2v is the medium-capacity, value-tier member of the DuraMAX line. Two v-banks of pleats keep the filter compact and lightweight at a lower price point than the 3v and 4v configurations, with the same proven microfiberglass media, all-plastic incinerable frame, and UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 2v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — DuraMAX construction quality at the lowest price tier in the family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact installations\u003c\/strong\u003e — 2-bank construction is lighter and easier to handle than 3v or 4v alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filter applications\u003c\/strong\u003e — reliable upstream filtration ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 2-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 15 per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 15 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing virtually all sub-micron particles, including fine smoke, bacteria carriers, and most viruses. Specified in healthcare, pharmaceutical, and high-IAQ commercial systems where the next step up is HEPA-class filtration.\u003c\/p\u003e\u003ch3\u003e2v vs. 3v vs. 4v: which to choose\u003c\/h3\u003e\u003cp\u003eAll three share the same all-plastic frame, microfiberglass media, and MERV ratings. The 4v packs four v-banks of pleats for the most surface area — lowest pressure drop, longest service life, highest initial cost. The 3v sits in the middle. The 2v uses two v-banks for the most compact, lightweight, and lowest-cost option in the line. Choose the 2v when filter cost and physical compactness matter more than extended changeout intervals or energy savings.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe DuraMAX 2v drops into standard 12″-deep cell-filter housings and is interchangeable with most competitive 2-bank minipleat filters in the same nominal size. The all-plastic frame also makes this a drop-in upgrade for facilities replacing legacy metal-framed filters.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118771957882,"sku":"111-500-101","price":197.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_c485bea3-e7aa-4778-9b24-a965c30abe69.png?v=1777658182"},{"product_id":"20x24x12-koch-duramax-2v-merv-15-111-500-102","title":"20x24x12 Koch DuraMAX 2v MERV 15 111-500-102 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 2v\u003c\/strong\u003e filter (part number 111-500-102) delivers \u003cstrong\u003eMERV 15\u003c\/strong\u003e filtration in a 2-bank minipleat design with an all-plastic frame.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 2v is the medium-capacity, value-tier member of the DuraMAX line. Two v-banks of pleats keep the filter compact and lightweight at a lower price point than the 3v and 4v configurations, with the same proven microfiberglass media, all-plastic incinerable frame, and UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 2v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — DuraMAX construction quality at the lowest price tier in the family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact installations\u003c\/strong\u003e — 2-bank construction is lighter and easier to handle than 3v or 4v alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filter applications\u003c\/strong\u003e — reliable upstream filtration ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 2-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 15 per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 1 filter per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 15 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing virtually all sub-micron particles, including fine smoke, bacteria carriers, and most viruses. 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Two v-banks of pleats keep the filter compact and lightweight at a lower price point than the 3v and 4v configurations, with the same proven microfiberglass media, all-plastic incinerable frame, and UL Classified construction.\u003c\/p\u003e\u003ch3\u003eWhen DuraMAX 2v is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-conscious commercial HVAC\u003c\/strong\u003e — DuraMAX construction quality at the lowest price tier in the family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard commercial air handlers\u003c\/strong\u003e — works as primary or final stage filtration depending on MERV selection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact installations\u003c\/strong\u003e — 2-bank construction is lighter and easier to handle than 3v or 4v alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filter applications\u003c\/strong\u003e — reliable upstream filtration ahead of higher-MERV final stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisposal-sensitive facilities\u003c\/strong\u003e — all-plastic frame is fully incinerable, no metal separation required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e High-efficiency microfiberglass minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e All-plastic, lightweight, rigid (incinerable disposal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 2-bank extended-surface minipleat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 15 per ASHRAE 52.2-2007\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified per UL Standard 900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse-installable:\u003c\/strong\u003e Yes — supports space-limited applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 2 filters per case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 15 captures\u003c\/h3\u003e\u003cp\u003eVery high-efficiency filtration capturing virtually all sub-micron particles, including fine smoke, bacteria carriers, and most viruses. 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