{"product_id":"24x24x12-koch-duramax-4v-merv-12-111-603-101","title":"24x24x12 Koch DuraMAX 4v MERV 12 111-603-101 (1 Filter)","description":"\u003cp\u003eThis \u003cstrong\u003e24″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v\u003c\/strong\u003e filter (part number 111-603-101) delivers \u003cstrong\u003eMERV 12\u003c\/strong\u003e (75%) 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 12 (75% 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 12 captures\u003c\/h3\u003e\u003cp\u003eCaptures finer dust, lead dust, and Legionella-carrying droplets. A step up from MERV 11 for facilities targeting better IAQ without the pressure drop of MERV 13+.\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":44118725492858,"sku":"111-603-101","price":313.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_02b2bfae-789b-4458-83f5-9678a5d1ffce.png?v=1777648793","url":"https:\/\/www.rememberthefilter.com\/products\/24x24x12-koch-duramax-4v-merv-12-111-603-101","provider":"RememberTheFilter.com","version":"1.0","type":"link"}