{"product_id":"koch-spt5-synthetic-bulk-roll-merv-4","title":"Koch SPT5 (1\/2\" Loft, Tackified, Blue\/White) Synthetic Bulk Roll - 135 ft, MERV 4","description":"\u003cp\u003eThe Koch \u003cstrong\u003eType SPT5 Synthetic Bulk Roll\u003c\/strong\u003e is a 135-foot roll of airlayed polyester filter media, sized for cut-to-size installations and large-area filtration where pre-cut pads aren't practical. The media is constructed at \u003cstrong\u003e1\/2″ nominal loft\u003c\/strong\u003e, 4.3 oz\/sq yd weight, blue\/white color, \u003cstrong\u003etackified\u003c\/strong\u003e (dry adhesive treatment for enhanced dust holding), delivering \u003cstrong\u003e~MERV 4 efficiency\u003c\/strong\u003e per ASHRAE 52.2. Specified for 1-inch frame and blanket installations where upgraded dust holding capacity is needed in cut-to-size form.\u003c\/p\u003e\u003ch3\u003eWhat you get: one bulk roll, cut to size on your end\u003c\/h3\u003e\u003cp\u003eEach variant on this page is \u003cstrong\u003eone single bulk roll\u003c\/strong\u003e — not a case or pack. The variant price is the \u003cstrong\u003eper-roll price\u003c\/strong\u003e for one 135-foot roll at the selected width. Cut the roll to your needed sizes on-site with a sharp utility knife; the airlayed polyester media trims cleanly. Available widths and lengths:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20\" x 135 ft\u003c\/strong\u003e — ~225.0 sq ft of media per roll (ships 3 rolls per shipping carton)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25\" x 135 ft\u003c\/strong\u003e — ~281.2 sq ft of media per roll (ships 2 rolls per shipping carton)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40\" x 135 ft\u003c\/strong\u003e — ~450.0 sq ft of media per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50\" x 135 ft\u003c\/strong\u003e — ~562.5 sq ft of media per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60\" x 135 ft\u003c\/strong\u003e — ~675.0 sq ft of media per roll\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a custom width, custom length, or facility-scale order? \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e with your exact requirements and we can work out the pricing.\u003c\/p\u003e\u003ch3\u003eWhere bulk rolls are used\u003c\/h3\u003e\u003cp\u003eBulk rolls let the customer cut the media to fit non-standard sizes, large-area installations, or custom pad frames. Common applications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-cut pad frames\u003c\/strong\u003e — non-standard frame dimensions where pre-cut pads don't exist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge-area blanket installations\u003c\/strong\u003e — cut a continuous run of media to fit a long retention rack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad rack systems with mixed sizes\u003c\/strong\u003e — one roll covers multiple frame sizes when cut on-site\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFacility-scale changeouts\u003c\/strong\u003e — bulk roll is more economical than equivalent square footage of pre-cut pads for high-volume buyers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial and OEM applications\u003c\/strong\u003e — equipment manufacturers cut media to fit their own product lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filter inlet hoods and AHU pre-screens\u003c\/strong\u003e — cut to fit irregular openings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSame media as Koch pre-cut pads\u003c\/h3\u003e\u003cp\u003eThis bulk roll uses the \u003cstrong\u003esame Koch Type SPT5 airlayed polyester media\u003c\/strong\u003e as the pre-cut pad version of this product. Same ~MERV 4 efficiency, same construction, same arrestance and dust holding profile — the difference is form factor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eChoose bulk rolls when\u003c\/strong\u003e you need cut-to-size flexibility, large-area continuous installations, facility-scale economics, or non-standard dimensions. \u003cstrong\u003eChoose pre-cut pads\u003c\/strong\u003e when you have standard HVAC frame sizes (16x20, 16x25, 20x20, 20x25, 24x24) and prefer ready-to-install pieces. The pre-cut pad version of SPT5 is available \u003ca href=\"\/products\/koch-spt5-synthetic-media-pad-merv-4\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eType SPT5 construction and specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Airlayed polyester synthetic fibers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal loft:\u003c\/strong\u003e 1\/2″ (0.50″)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.3 oz per square yard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Blue\/white\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoll length:\u003c\/strong\u003e 135 feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable widths:\u003c\/strong\u003e 20″, 25″, 40″, 50″, 60″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTackifier:\u003c\/strong\u003e Dry tackifier treatment (downstream side, blue-tinted) for enhanced dust holding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial pressure drop:\u003c\/strong\u003e 0.10″ w.g. at design air velocity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage arrestance:\u003c\/strong\u003e 80% per ASHRAE 52.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust holding capacity:\u003c\/strong\u003e 340 grams per square yard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV rating:\u003c\/strong\u003e 4 per ASHRAE 52.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference bulletin:\u003c\/strong\u003e Koch PB-001-B\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen the SPT5 bulk roll is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom-cut 1 inch frame applications\u003c\/strong\u003e needing tackified upgrade over dry SS5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge-area blanket installations\u003c\/strong\u003e where extended service life from the tackifier matters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-commercial buildings\u003c\/strong\u003e using cut-to-size pad-style filtration in custom frame sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage filtration prefilter\u003c\/strong\u003e ahead of higher-MERV finals at facility scale\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 4 captures\u003c\/h3\u003e\u003cp\u003eCaptures larger airborne dust, lint, hair, pollen, and dust mite debris. Standard prefilter and equipment-protection efficiency for systems where high airflow and dust holding matter most.\u003c\/p\u003e\u003ch3\u003eChoosing across the Koch synthetic bulk roll line\u003c\/h3\u003e\u003cp\u003eKoch offers six bulk roll media types in 5 standard widths each. Match the loft, tackifier, and density to your application:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSS5 (MERV 4):\u003c\/strong\u003e standard 1\/2 inch dry roll, prefilter applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSS10 (MERV 5):\u003c\/strong\u003e 1 inch dry roll, versatile 2 inch frame and blanket use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPT5 (this product) (MERV 4):\u003c\/strong\u003e tackified 1\/2 inch roll, upgraded dust holding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPT10 (MERV 7):\u003c\/strong\u003e tackified 1 inch roll, broad commercial use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPT-30 (MERV 8):\u003c\/strong\u003e dual-density 2 inch tackified roll, highest SPT capture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPT-550 (MERV 8):\u003c\/strong\u003e antimicrobial 1 inch dual-density roll, healthcare and food\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor applications requiring antimicrobial treatment, only the SPT-550 carries that specification. For higher-loft 2-inch frame applications, choose SPT-30. For dry-construction requirements (food processing, no-tackifier specs), choose SS5 or SS10.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEach variant is one 135-foot roll.\u003c\/strong\u003e Order multiple rolls by adjusting the quantity at checkout. The variant price is the per-roll price.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to size on-site.\u003c\/strong\u003e Airlayed polyester trims cleanly with a sharp utility knife. Plan your cuts to minimize waste — rolls cannot be re-spliced once cut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable widths:\u003c\/strong\u003e 20″, 25″, 40″, 50″, 60″. Custom widths and lengths available by \u003ca href=\"\/pages\/quote\"\u003equote\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier widths ship one roll per carton.\u003c\/strong\u003e 40″, 50″, and 60″ rolls are oversized and ship individually. 20″ and 25″ widths can be combined in a single shipping carton when stocked together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrames sold separately.\u003c\/strong\u003e Bulk rolls are the filter media — they require pad frames, retention grids, or pad rack systems to install in the air handler. Contact us for compatible frame and rack options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-cut pad version available.\u003c\/strong\u003e If you need standard 16x20, 16x25, 20x20, 20x25, or 24x24 sizes, the pre-cut pad version of SPT5 ships in case packs \u003ca href=\"\/products\/koch-spt5-synthetic-media-pad-merv-4\"\u003ehere\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koch","offers":[{"title":"20\" x 135 ft (Single Roll)","offer_id":44118947889274,"sku":"574-020-135","price":149.24,"currency_code":"USD","in_stock":true},{"title":"25\" x 135 ft (Single Roll)","offer_id":44118947922042,"sku":"574-025-135","price":176.66,"currency_code":"USD","in_stock":true},{"title":"40\" x 135 ft (Single Roll)","offer_id":44118947954810,"sku":"574-040-135","price":277.73,"currency_code":"USD","in_stock":true},{"title":"50\" x 135 ft (Single Roll)","offer_id":44118947987578,"sku":"574-050-135","price":337.79,"currency_code":"USD","in_stock":true},{"title":"60\" x 135 ft (Single Roll)","offer_id":44118948020346,"sku":"574-060-135","price":397.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2_f29b9c75-5d87-4216-bf4b-056d93856834.png?v=1777750650","url":"https:\/\/www.rememberthefilter.com\/products\/koch-spt5-synthetic-bulk-roll-merv-4","provider":"RememberTheFilter.com","version":"1.0","type":"link"}