{"product_id":"mermade-36-x-60-edge-outlet-bif-replacement-cover-only","title":"Mermade 36\" x 60\" Edge Outlet (BIF Replacement), Cover Only","description":"\u003cp data-path-to-node=\"0\" class=\"first-token\"\u003e\u003cspan class=\"\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003eMer-Made 36\" × 60\" Edge Outlet (BIF Replacement) — Cover Only\u003c\/b\u003e\u003cspan\u003e (cataloged under Part # \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"90\"\u003e775-COVER \/ VFC-3660-EO\u003c\/b\u003e\u003cspan\u003e) is the replacement fabric filter envelope designed specifically to re-cover bare frames in legacy \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"213\"\u003eBIF (Builders Iron Foundry \/ B-I-F Industries)\u003c\/b\u003e\u003cspan\u003e commercial vacuum DE filter vaults.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cspan\u003eUnlike standard bottom-outlet jackets,\u003c\/span\u003e\u003cspan\u003e this model is custom-tailored with a reinforced cutout on the vertical edge to accommodate the side-discharge hub configuration found on wall-mounted and perimeter BIF vacuum headers.\u003c\/span\u003e\u003cspan\u003e It includes the synthetic filtration jacket,\u003c\/span\u003e\u003cspan\u003e side-spud collar cutout,\u003c\/span\u003e\u003cspan\u003e top closure system,\u003c\/span\u003e\u003cspan\u003e and replacement compression sealing gaskets.\u003c\/span\u003e\u003cspan\u003e It is specified when internal drainage cores and rigid PVC\/CPVC border frames remain intact but the fabric has blinded from mineral scaling,\u003c\/span\u003e\u003cspan\u003e suffered tears,\u003c\/span\u003e\u003cspan\u003e or stretched from repeated backwash cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eTechnical Specifications \u0026amp; Scope of Delivery\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter \/ Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eModel \/ Application\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003eMer-Made Replacement Septum Jacket (Legacy BIF Edge Outlet Retrofit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eConfiguration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e\u003cb data-path-to-node=\"4,2,1,0\" data-index-in-node=\"0\"\u003eCover Only\u003c\/b\u003e (Cloth envelope + gaskets; excludes internal frame and grid core)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eNominal Dimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003e\u003cb data-path-to-node=\"4,3,1,0\" data-index-in-node=\"0\"\u003e36\" Wide × 60\" High\u003c\/b\u003e (approx. 914 mm × 1524 mm flat envelope)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eFiltration Surface Area\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e\u003cb data-path-to-node=\"4,4,1,0\" data-index-in-node=\"0\"\u003e30.0 sq. ft.\u003c\/b\u003e active pre-coat area across both faces combined\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eEffluent Port Cutout\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003ePre-cut, reinforced \u003cb data-path-to-node=\"4,5,1,0\" data-index-in-node=\"20\"\u003eside-edge collar opening\u003c\/b\u003e matched to BIF 1-1\/2\" or 2\" IPS spud elevation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eHanding \/ Orientation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003eSpecified based on manifold layout: \u003cb data-path-to-node=\"4,6,1,0\" data-index-in-node=\"36\"\u003eLeft-Hand Edge, Right-Hand Edge, or Staggered\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,0,0\"\u003e\u003cb data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\"\u003eFabric Composition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,1,0\"\u003eHigh-tenacity, custom-woven \u003cb data-path-to-node=\"4,7,1,0\" data-index-in-node=\"28\"\u003emonofilament or multifilament polypropylene\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,0,0\"\u003e\u003cb data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\"\u003eFiltration Porosity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,1,0\"\u003eCalibrated nominal \u003cb data-path-to-node=\"4,8,1,0\" data-index-in-node=\"19\"\u003e20 to 30 micron\u003c\/b\u003e pore rating for diatomaceous earth pre-coat retention\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,0,0\"\u003e\u003cb data-path-to-node=\"4,9,0,0\" data-index-in-node=\"0\"\u003eClosure Mechanism\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,9,1,0\"\u003eHeavy-duty commercial \u003cb data-path-to-node=\"4,9,1,0\" data-index-in-node=\"22\"\u003eVelcro hook-and-loop\u003c\/b\u003e flap across the top rail (or lace-up\/clamp seam)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,0,0\"\u003e\u003cb data-path-to-node=\"4,10,0,0\" data-index-in-node=\"0\"\u003eIncluded Accessories\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,10,1,0\"\u003eHigh-density compression felt\/rubber edge sealing gasket or collar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,0,0\"\u003e\u003cb data-path-to-node=\"4,11,0,0\" data-index-in-node=\"0\"\u003eExcluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,11,1,0\"\u003eRigid ABS\/PVC perimeter frame, internal open-matrix drainage grid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eMaterial Properties \u0026amp; Chemical Compatibility\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eChemical \u0026amp; Electrolyte Resistance:\u003c\/b\u003e\u003cspan\u003e Formulated from virgin woven polypropylene fibers that do not hydrolyze,\u003c\/span\u003e\u003cspan\u003e rot,\u003c\/span\u003e\u003cspan\u003e or degrade in heavily chlorinated water,\u003c\/span\u003e\u003cspan\u003e sodium hypochlorite shock dosing,\u003c\/span\u003e\u003cspan\u003e or saline pool water (2,\u003c\/span\u003e\u003cspan\u003e500 to 5,\u003c\/span\u003e\u003cspan\u003e000+ ppm NaCl).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eAcid Wash Tolerances:\u003c\/b\u003e\u003cspan\u003e Withstands periodic chemical descaling using dilute muriatic (hydrochloric) or citric acid washes to dissolve embedded calcium carbonate,\u003c\/span\u003e\u003cspan\u003e iron scale,\u003c\/span\u003e\u003cspan\u003e and body grease without breaking down seam threading.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003ePre-Coat Retention \u0026amp; Release:\u003c\/b\u003e\u003cspan\u003e The balanced monofilament weave structure retains standard DE powder and perlite grades without bleed-through during initial pre-coating while providing clean,\u003c\/span\u003e\u003cspan\u003e low-friction cake release during manual hose-down or backwash cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003ePhysical Dimensions \u0026amp; Weight Estimates\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eIndividual Cover Net Weight:\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"43\"\u003e1.5 to 2.1 lbs (0.68 to 0.95 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eSingle Boxed Cover Shipping Weight:\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"50\"\u003e3.0 to 4.5 lbs (1.4 to 2.0 kg)\u003c\/b\u003e\u003cspan\u003e in a compact corrugated box.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eMaster Carton \/ Multi-Pack (6 to 12 Covers):\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"59\"\u003e14 to 26 lbs (6.4 to 11.8 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eFull Vault Overhaul Pack (20 to 30 Covers):\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"58\"\u003e35 to 58 lbs (15.9 to 26.3 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eField Re-Covering \u0026amp; Tensioning Procedure\u003c\/h3\u003e\n\u003col start=\"1\" data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eOrientation Check:\u003c\/b\u003e\u003cspan\u003e Before slipping the cover over the core,\u003c\/span\u003e\u003cspan\u003e confirm the side-outlet cutout corresponds to the left- or right-hand edge required by the specific BIF header port elevation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eCore Cleaning \u0026amp; Inspection:\u003c\/b\u003e\u003cspan\u003e Remove the spent cover from the frame.\u003c\/span\u003e\u003cspan\u003e Pressure-wash the bare polypropylene drainage grid to remove hardened DE cakes.\u003c\/span\u003e\u003cspan\u003e Check the perimeter frame channels for sharp edges or weld burrs that could cut the new fabric.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eSleeving the Frame:\u003c\/b\u003e\u003cspan\u003e Slide the replacement cover down over the 60\" span of the bare frame,\u003c\/span\u003e\u003cspan\u003e aligning the edge opening with the side-discharge spud.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eSeating the Edge Cutout:\u003c\/b\u003e\u003cspan\u003e Stretch the reinforced collar cutout snugly around the base of the edge outlet hub,\u003c\/span\u003e\u003cspan\u003e ensuring it sits flat against the stop shoulder without binding or bunching.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,4,0\"\u003e\u003cb data-path-to-node=\"13,4,0\" data-index-in-node=\"0\"\u003eTensioning \u0026amp; Sealing:\u003c\/b\u003e\u003cspan\u003e Pull the fabric taut across both faces of the frame.\u003c\/span\u003e\u003cspan\u003e Any loose bagging will cause DE to accumulate unevenly and crack under vacuum.\u003c\/span\u003e\u003cspan\u003e Press the top Velcro flap closed across the upper frame rail to lock in tension.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,5,0\"\u003e\u003cb data-path-to-node=\"13,5,0\" data-index-in-node=\"0\"\u003eGasket Replacement:\u003c\/b\u003e\u003cspan\u003e Fit the replacement compression gasket\/collar over the edge spud before inserting the frame horizontally back into the BIF side collection manifold socket.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68167778795631,"sku":"DE-EO3660CO","price":476.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/Screenshot2026-11-02115925_68df1253-641c-4f9b-bb96-9fd2e9cb43f4.png?v=1793718367","url":"https:\/\/commercialpoolandspasupplies.com\/products\/mermade-36-x-60-edge-outlet-bif-replacement-cover-only","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}