{"product_id":"mermade-143-152-horizontal-sand-filter-45-5-sq-ft","title":"Mermade 143-152 Horizontal Sand Filter, 45.5 Sq.ft","description":"\u003cp dir=\"ltr\" 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 143-152 Horizontal Sand Filter (45.5 sq. ft. Filter Area)\u003c\/b\u003e\u003cspan\u003e is an ultra-high-capacity,\u003c\/span\u003e\u003cspan\u003e commercial-grade fiberglass pressure sand filter manufactured by Mer-Made Filter,\u003c\/span\u003e\u003cspan\u003e Inc.\u003c\/span\u003e\u003cspan\u003e As an extra-long,\u003c\/span\u003e\u003cspan\u003e extended-shell model in Mer-Made’s 42-inch diameter series,\u003c\/span\u003e\u003cspan\u003e the 143-152 provides 45.\u003c\/span\u003e\u003cspan\u003e5 sq.\u003c\/span\u003e\u003cspan\u003e ft.\u003c\/span\u003e\u003cspan\u003e of effective surface filtration within a single horizontal vessel.\u003c\/span\u003e\u003cspan\u003e It is engineered for large-scale municipal aquatic centers,\u003c\/span\u003e\u003cspan\u003e water park wave pools,\u003c\/span\u003e\u003cspan\u003e multi-pool institutional complexes,\u003c\/span\u003e\u003cspan\u003e and Olympic competition venues where maximizing filter surface area is critical but mechanical room vertical ceiling height is restricted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"1\"\u003e\u003cspan\u003eThe pressure vessel is built from continuous filament-wound fiberglass-reinforced polyester (FRP) with a seamless,\u003c\/span\u003e\u003cspan\u003e resin-rich chemical barrier that eliminates corrosion from chlorinated pool water,\u003c\/span\u003e\u003cspan\u003e ozone,\u003c\/span\u003e\u003cspan\u003e and commercial water-treatment chemicals.\u003c\/span\u003e\u003cspan\u003e Internally,\u003c\/span\u003e\u003cspan\u003e a full-length Schedule 80 PVC distribution header with hydraulic diffusers spans the top crown of the tank,\u003c\/span\u003e\u003cspan\u003e paired with a full-length,\u003c\/span\u003e\u003cspan\u003e low-profile slotted PVC collector underdrain assembly along the bottom invert.\u003c\/span\u003e\u003cspan\u003e This arrangement ensures uniform face velocity across the entire bed during filtration and prevents media channeling or lateral breakage during high-rate backwash cycles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"2\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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=\"2,1,0,0\"\u003e\u003cb data-path-to-node=\"2,1,0,0\" data-index-in-node=\"0\"\u003eModel Reference\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,1,1,0\"\u003eMer-Made 143-152 (143 Series Commercial Horizontal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,2,0,0\"\u003e\u003cb data-path-to-node=\"2,2,0,0\" data-index-in-node=\"0\"\u003eEffective Filtration Area\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,2,1,0\"\u003e45.5 sq. ft. (4.23 m²)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,3,0,0\"\u003e\u003cb data-path-to-node=\"2,3,0,0\" data-index-in-node=\"0\"\u003eTank Outer Diameter (OD)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,3,1,0\"\u003e42.0 in (1,067 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,4,0,0\"\u003e\u003cb data-path-to-node=\"2,4,0,0\" data-index-in-node=\"0\"\u003eNominal Shell Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,4,1,0\"\u003eApprox. 152.0 in (3,861 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,5,0,0\"\u003e\u003cb data-path-to-node=\"2,5,0,0\" data-index-in-node=\"0\"\u003eOverall Dimensions (with Saddles\/Fittings)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,5,1,0\"\u003eApprox. 44.0 in W x 158.0 in L x 52.0 in H (1,118 mm x 4,013 mm x 1,321 mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,6,0,0\"\u003e\u003cb data-path-to-node=\"2,6,0,0\" data-index-in-node=\"0\"\u003eFace Piping \/ Connection Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,6,1,0\"\u003e6.0 in (150 mm) or 8.0 in (200 mm) ANSI Class 150 Flanged (Schedule 80 PVC standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,7,0,0\"\u003e\u003cb data-path-to-node=\"2,7,0,0\" data-index-in-node=\"0\"\u003eDesign Filtration Flow Rate (5 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,7,1,0\"\u003e227.5 US gpm (51.7 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,8,0,0\"\u003e\u003cb data-path-to-node=\"2,8,0,0\" data-index-in-node=\"0\"\u003eDesign Filtration Flow Rate (10 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,8,1,0\"\u003e455.0 US gpm (103.3 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,9,0,0\"\u003e\u003cb data-path-to-node=\"2,9,0,0\" data-index-in-node=\"0\"\u003eDesign Filtration Flow Rate (Max 14 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,9,1,0\"\u003e637.0 US gpm (144.7 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,10,0,0\"\u003e\u003cb data-path-to-node=\"2,10,0,0\" data-index-in-node=\"0\"\u003eDesign Filtration Flow Rate (Standard 15 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,10,1,0\"\u003e682.5 US gpm (155.0 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,11,0,0\"\u003e\u003cb data-path-to-node=\"2,11,0,0\" data-index-in-node=\"0\"\u003eRequired Backwash Flow Rate (15 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,11,1,0\"\u003e682.5 US gpm (155.0 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,12,0,0\"\u003e\u003cb data-path-to-node=\"2,12,0,0\" data-index-in-node=\"0\"\u003eTurnover Capacity (8-Hour @ 637 gpm)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,12,1,0\"\u003e305,760 US gal (1,157.4 m³)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,13,0,0\"\u003e\u003cb data-path-to-node=\"2,13,0,0\" data-index-in-node=\"0\"\u003eTurnover Capacity (6-Hour @ 637 gpm)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,13,1,0\"\u003e229,320 US gal (868.1 m³)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,14,0,0\"\u003e\u003cb data-path-to-node=\"2,14,0,0\" data-index-in-node=\"0\"\u003eMaximum Working Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,14,1,0\"\u003e50 psi (3.45 bar \/ 345 kPa)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,15,0,0\"\u003e\u003cb data-path-to-node=\"2,15,0,0\" data-index-in-node=\"0\"\u003eFactory Test Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,15,1,0\"\u003e75 psi (5.17 bar)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,16,0,0\"\u003e\u003cb data-path-to-node=\"2,16,0,0\" data-index-in-node=\"0\"\u003eCertifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,16,1,0\"\u003eNSF\/ANSI Standard 50 Certified (Commercial Pool and Spa)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,17,0,0\"\u003e\u003cb data-path-to-node=\"2,17,0,0\" data-index-in-node=\"0\"\u003eStandard Media Load (Silica Sand + Graded Gravel)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,17,1,0\"\u003eApprox. 7,300 to 8,000 lbs (3,311 to 3,629 kg) total\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,18,0,0\"\u003e- \u003ci data-path-to-node=\"2,18,0,0\" data-index-in-node=\"2\"\u003eTop Layer: Filter Sand (#20 Silica \/ 20–30 mesh)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,18,1,0\"\u003eApprox. 5,100 to 5,600 lbs (2,313 to 2,540 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,19,0,0\"\u003e- \u003ci data-path-to-node=\"2,19,0,0\" data-index-in-node=\"2\"\u003eIntermediate \/ Underbed Layers (6–20 Sand \u0026amp; 1\/8\"–1\/4\" Stone)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,19,1,0\"\u003eApprox. 2,200 to 2,400 lbs (998 to 1,089 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,20,0,0\"\u003e- \u003ci data-path-to-node=\"2,20,0,0\" data-index-in-node=\"2\"\u003eAlternative AFM Media (Dr. Dryden's Activated Glass)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,20,1,0\"\u003eApprox. 6,205 to 6,800 lbs (2,815 to 3,084 kg) total \u003ci data-path-to-node=\"2,20,1,0\" data-index-in-node=\"53\"\u003e(~15% weight reduction)\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,21,0,0\"\u003e\u003cb data-path-to-node=\"2,21,0,0\" data-index-in-node=\"0\"\u003eService Access\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,21,1,0\"\u003eTop elliptical manway (11\" x 15\" or 12\" x 16\") with pressure-assisted EPDM gasket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,22,0,0\"\u003e\u003cb data-path-to-node=\"2,22,0,0\" data-index-in-node=\"0\"\u003eVessel Shell Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,22,1,0\"\u003eFilament-wound fiberglass-reinforced polyester (FRP)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"3\"\u003e\u003cspan class=\"\"\u003eThe unit is outfitted with integrated heavy-duty FRP structural support saddles,\u003c\/span\u003e\u003cspan\u003e a front-mounted differential pressure gauge panel,\u003c\/span\u003e\u003cspan\u003e continuous automatic internal air relief piping,\u003c\/span\u003e\u003cspan\u003e an external manual brass\/stainless steel air vent valve,\u003c\/span\u003e\u003cspan\u003e and an integrated bottom combination water drain and media slurry cleanout port.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"4\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"4\"\u003eshipping weight\u003c\/b\u003e\u003cspan\u003e of the dry filter vessel—including structural support saddles,\u003c\/span\u003e\u003cspan\u003e internal Schedule 80 PVC distribution\/underdrain assemblies,\u003c\/span\u003e\u003cspan\u003e manway hardware,\u003c\/span\u003e\u003cspan\u003e and protective heavy-duty timber crating (excluding media)—is approximately \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"237\"\u003e820 to 920 lbs (372 to 417 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003e When charged with standard sand\/gravel media and completely flooded during full operation,\u003c\/span\u003e\u003cspan\u003e the total operating weight increases to approximately \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"414\"\u003e14,800 to 16,500 lbs (6,713 to 7,484 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"0\" class=\"first-token\"\u003e \u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68295498006639,"sku":"143-152","price":53146.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/mermade-filter-fiberglass-commercial-pool-filter-in-operation-474-474_dda7d9c9-06e6-4ee9-96e0-d0b1f744b733.jpg?v=1794325846","url":"https:\/\/commercialpoolandspasupplies.com\/products\/mermade-143-152-horizontal-sand-filter-45-5-sq-ft","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}