{"product_id":"11-3-8x23-3-8x11-1-2-koch-biomax-hepa-99-97-h79g1x1-2-filters","title":"11-3\/8x23-3\/8x11-1\/2 Koch BioMAX HEPA 99.97% H79G1X1","description":"\u003cp\u003eThis \u003cstrong\u003e11⅜″ × 23⅜″ × 11½″\u003c\/strong\u003e \u003cstrong\u003eKoch BioMAX 99.97% HEPA\u003c\/strong\u003e filter (part number \u003cstrong\u003eH79G1X1\u003c\/strong\u003e) is a \u003cstrong\u003estandard capacity\u003c\/strong\u003e hepa filter, factory-tested for efficiency before shipment using non-toxic polyalphaolefin (PAO) aerosol. Every filter meets its rated 99.97% efficiency specification on 0.3 micron particles.\u003c\/p\u003e\n\u003ch3\u003eHEPA-grade filtration for critical environments\u003c\/h3\u003e\n\u003cp\u003eKoch BioMAX HEPA filters are specified in applications where clean air is essential to people, processes, or equipment: \u003cstrong\u003ehospitals, surgical suites, cleanrooms, pharmaceutical manufacturing, semiconductor fabrication, biotech, research labs, and cannabis cultivation\u003c\/strong\u003e. This is the highest filtration tier in commercial and industrial HVAC.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Sub-micron glass fiber formed into a water-resistant, high-efficiency, high-density wet-laid paper mat. Fire retardant to 1000°F (538°C).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e \u003cstrong\u003e99.97%\u003c\/strong\u003e on 0.3 micron particles, factory-tested with non-toxic PAO aerosol before shipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell sides:\u003c\/strong\u003e Galvanized steel (UL Class 1) or particle board (UL Class 2) standard; stainless steel, aluminum, and aluminized steel available on request.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeparators:\u003c\/strong\u003e Precision-corrugated aluminum separators maintain exact pleat spacing for consistent airflow across the filter's service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGasket:\u003c\/strong\u003e Neoprene gasket, downstream position standard (upstream, both-side, or gel seal available).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\u003cp\u003eHospital operating rooms and isolation areas, ISO-class cleanrooms, pharmaceutical fill\/finish lines, semiconductor fabs, research laboratories, cannabis cultivation facilities, commercial biosafety installations, and any air handler with strict contamination control requirements.\u003c\/p\u003e\n\u003ch3\u003eNeed help cross-referencing or sizing?\u003c\/h3\u003e\n\u003cp\u003eKoch BioMAX HEPA comes in a wide variety of sizes, efficiencies, cell-side materials, gasket positions, and frame configurations. If you have a part number from another manufacturer or need help confirming the exact spec for your application, \u003cstrong\u003e\u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e\u003c\/strong\u003e — we work with the leading HEPA and commercial filter manufacturers and are always happy to cross-reference part numbers and confirm fitment before you order.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":43923990380666,"sku":"H79G1X1","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/BioMax_wood_frame_023870e1-0e26-4989-84c7-fcf41d6aaee7.jpg?v=1736662354","url":"https:\/\/www.rememberthefilter.com\/products\/11-3-8x23-3-8x11-1-2-koch-biomax-hepa-99-97-h79g1x1-2-filters","provider":"RememberTheFilter.com","version":"1.0","type":"link"}