{"product_id":"koch-super-grade-fiberglass-1-inch-pad-merv-3","title":"Koch Super Grade 1\" (Fiberglass, Blue Tint Downstream) Pad - MERV 3","description":"\u003cp\u003eThe Koch \u003cstrong\u003eSuper Grade 1\" Fiberglass Pre-Cut Media Pad\u003c\/strong\u003e is a flat fiberglass filter pad in standard HVAC face sizes, designed for 1-inch frame applications, residential prefilter slots, and light-commercial HVAC where high airflow and reliable dust holding matter most. The pad is constructed of \u003cstrong\u003econtinuous-filament spun glass fibers\u003c\/strong\u003e arranged in a progressively dense blanket and coated with Koch's special adhesive gel for enhanced dust holding capacity. Each pad is color-coded with \u003cstrong\u003eWhite upstream \/ Blue downstream\u003c\/strong\u003e for easy installation orientation.\u003c\/p\u003e\u003ch3\u003eWhat you get: sold by the case\u003c\/h3\u003e\u003cp\u003ePre-cut fiberglass pads are \u003cstrong\u003esold by the case\u003c\/strong\u003e, not individually. The price you see for each variant is the \u003cstrong\u003efull case price\u003c\/strong\u003e, and each variant label tells you exactly how many pads are in that case. Case counts by size:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16x20x1\u003c\/strong\u003e — \u003cstrong\u003e150 pads per case\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16x25x1\u003c\/strong\u003e — \u003cstrong\u003e150 pads per case\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20x20x1\u003c\/strong\u003e — \u003cstrong\u003e150 pads per case\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20x25x1\u003c\/strong\u003e — \u003cstrong\u003e150 pads per case\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24x24x1\u003c\/strong\u003e — \u003cstrong\u003e100 pads per case\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a partial case, individual-pad pricing, or a different quantity than the standard case? \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your exact count and we can work out the pricing.\u003c\/p\u003e\u003ch3\u003eWhy fiberglass at this efficiency tier\u003c\/h3\u003e\u003cp\u003eKoch Super Grade fiberglass pads are engineered for \u003cstrong\u003emaximum airflow with reliable dust capture\u003c\/strong\u003e. The progressively dense spun-glass construction lets air pass through with minimal restriction while the adhesive-gel-coated fibers trap larger particulates deep in the media. Efficiency builds as the media loads — coarse particles caught upstream help capture finer particles further downstream.\u003c\/p\u003e\u003cp\u003eThis is an \u003cstrong\u003eequipment-protection efficiency tier\u003c\/strong\u003e, suited to systems where high airflow and continuous service matter more than fine-particle capture. The 1\" format is specified when 1-inch frame applications, residential prefilter slots, and light-commercial HVAC where high airflow and reliable dust holding matter most.\u003c\/p\u003e\u003ch3\u003eWhere 1\" Super Grade pads are used\u003c\/h3\u003e\u003cp\u003ePre-cut fiberglass pads are the filter medium itself — they slide into reusable pad frames, get held by retention grids in blanket installations, or stack into pad rack systems. Common applications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential return-air grilles\u003c\/strong\u003e with 1-inch slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-commercial 1-inch frame systems\u003c\/strong\u003e in retail, office, and small institutional buildings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment protection\u003c\/strong\u003e ahead of furnace cabinets, AHU coils, and sensitive downstream filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad rack systems\u003c\/strong\u003e using 1-inch deep racks for high-airflow facility-scale prefilter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-screen and inlet hood applications\u003c\/strong\u003e where airflow is the priority\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuper Grade 1\" construction and specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Spun glass fiberglass, continuous filaments, progressively dense graded blanket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesive treatment:\u003c\/strong\u003e Special adhesive gel coating on each fiber - creates \"wicking\" action that enhances dust holding capacity beyond standard fiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor coding:\u003c\/strong\u003e White upstream \/ Blue downstream (downstream tint for easy installation orientation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 1\" (1 inches nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable face sizes:\u003c\/strong\u003e 16x20, 16x25, 20x20, 20x25, 24x24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e 3 per ASHRAE 52.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference bulletin:\u003c\/strong\u003e Koch K 386D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 3 captures\u003c\/h3\u003e\u003cp\u003eCaptures larger airborne dust, lint, hair, and pollen at maximum airflow. Standard equipment-protection efficiency for systems where airflow capacity and reliable dust holding take priority over fine-particle capture. Efficiency builds as the media loads.\u003c\/p\u003e\u003ch3\u003eChoosing across the Super Grade fiberglass line\u003c\/h3\u003e\u003cp\u003eKoch offers Super Grade fiberglass pads in three depths to match different frame and service-life requirements:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Grade 1\" (this product) (MERV 3):\u003c\/strong\u003e shallowest depth, residential and 1-inch frame applications, blue tint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Grade 2\" (MERV 3):\u003c\/strong\u003e mid-depth, commercial 2-inch frame and pad rack applications, blue tint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Grade 4\" (MERV 4):\u003c\/strong\u003e deepest, extended service life, industrial pad rack and high-volume installations, yellow\/gold tint\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch the depth to your existing frame slot. The 1-inch and 2-inch versions share MERV 3 efficiency — choose by your frame depth. The 4-inch version steps up to MERV 4 with significantly extended service life through graduated depth loading.\u003c\/p\u003e\u003ch3\u003eNeed synthetic instead of fiberglass?\u003c\/h3\u003e\u003cp\u003eFor applications where fiberglass break-off is not permitted (food processing, pharmaceutical environments, hospitals with sensitive downstream filtration), Koch also offers a complete line of synthetic polyester pre-cut pads in similar configurations. See the \u003cstrong\u003eSS5\/SS10\/SPT5\/SPT10\/SPT-30\/SPT-550\u003c\/strong\u003e synthetic pad line for all-polyester alternatives, including tackified and antimicrobial options.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch face dimensions and depth to your existing frame.\u003c\/strong\u003e Pads are sized as Width x Height x Depth (e.g., 24x24x1). The depth is fixed for this product line at 1\" — chosen by which Super Grade product you order, not by the variant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEach variant shows its case quantity in the dropdown label.\u003c\/strong\u003e Look for \"(Case of N)\" next to each size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in 5 standard HVAC face sizes:\u003c\/strong\u003e 16x20, 16x25, 20x20, 20x25, 24x24. For non-standard sizes or bulk roll lengths, \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePads can be field-cut\u003c\/strong\u003e to non-standard dimensions if needed. Note: fiberglass cuts release loose fibers; cut on a clean surface and dispose of trimmings carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrames sold separately.\u003c\/strong\u003e Pre-cut pads are the filter medium — they require a reusable pad frame, retention grid, or pad rack to install in the air handler. Contact us for compatible frame and rack options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk roll versions also available.\u003c\/strong\u003e Super Grade fiberglass is also sold in bulk rolls for cut-to-size facility-scale applications. \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for bulk roll pricing and lengths.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koch","offers":[{"title":"16x20x1 (Case of 150)","offer_id":44119076274298,"sku":"585-016-0020","price":307.5,"currency_code":"USD","in_stock":true},{"title":"16x25x1 (Case of 150)","offer_id":44119076307066,"sku":"585-016-0025","price":396.0,"currency_code":"USD","in_stock":true},{"title":"20x20x1 (Case of 150)","offer_id":44119076339834,"sku":"585-020-0020","price":363.0,"currency_code":"USD","in_stock":true},{"title":"20x25x1 (Case of 150)","offer_id":44119076372602,"sku":"585-020-0025","price":406.5,"currency_code":"USD","in_stock":true},{"title":"24x24x1 (Case of 100)","offer_id":44119076405370,"sku":"585-024-0024","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_570a6e29-92fc-4730-9a50-05a8e5ef3eed.png?v=1777813849","url":"https:\/\/www.rememberthefilter.com\/products\/koch-super-grade-fiberglass-1-inch-pad-merv-3","provider":"RememberTheFilter.com","version":"1.0","type":"link"}