{"product_id":"12x24x12-koch-duramax-4v-gt-faceguards-merv-14-111-621-103","title":"12x24x12 Koch DuraMAX 4v GT Faceguards MERV 14 111-621-103 (2 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 12″\u003c\/strong\u003e \u003cstrong\u003eKoch DuraMAX 4v GT\u003c\/strong\u003e filter (part number 111-621-103) delivers \u003cstrong\u003eMERV 14\u003c\/strong\u003e (95%) filtration in a high-capacity minipleat design with an all-plastic frame and \u003cstrong\u003eupstream and downstream faceguards\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe DuraMAX 4v GT pairs the proven 4v minipleat construction — 194 square feet of microfiberglass media in a 24″ × 24″ × 12″ reference frame — with expanded metal cloth faceguards on both sides of the filter. 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. The faceguards add minimal thickness and do not affect housing fit.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":44118726312058,"sku":"111-621-103","price":480.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_3b3ca210-d334-4b12-93cc-f3c3bfd2eb97.png?v=1777649933","url":"https:\/\/www.rememberthefilter.com\/products\/12x24x12-koch-duramax-4v-gt-faceguards-merv-14-111-621-103","provider":"RememberTheFilter.com","version":"1.0","type":"link"}