{"product_id":"mermade-143-124-horizontal-sand-filters-36-8-sq-ft-each-stacked-73-6-sq-ft-total","title":"Mermade 143-124 Horizontal Sand Filters, 36.8 Sq.ft Each, Stacked, 73.6 sq.ft Total","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 143-124 Stacked Horizontal Sand Filter System (Two Tanks @ 36.8 sq. ft. Each, 73.6 sq. ft. Total Filter Area)\u003c\/b\u003e\u003cspan\u003e is a factory-engineered,\u003c\/span\u003e\u003cspan\u003e ultra-high-capacity commercial dual-tank filtration package manufactured by Mer-Made Filter,\u003c\/span\u003e\u003cspan\u003e Inc.\u003c\/span\u003e\u003cspan\u003e Utilizing Mer-Made’s \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"267\"\u003e42-inch outer diameter\u003c\/b\u003e\u003cspan\u003e vessel series in an extended-shell,\u003c\/span\u003e\u003cspan\u003e two-tier vertical stacked orientation,\u003c\/span\u003e\u003cspan\u003e this system delivers an expansive 73.\u003c\/span\u003e\u003cspan\u003e6 sq.\u003c\/span\u003e\u003cspan\u003e ft.\u003c\/span\u003e\u003cspan\u003e of filtration surface area over the floor footprint of a single horizontal vessel.\u003c\/span\u003e\u003cspan\u003e It is engineered for large-scale municipal aquatic centers,\u003c\/span\u003e\u003cspan\u003e Olympic 50-meter competition complexes,\u003c\/span\u003e\u003cspan\u003e high-load resort wave pools,\u003c\/span\u003e\u003cspan\u003e and water parks where equipment room floor space is strictly constrained.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"1\"\u003e\u003cspan\u003eThe system comprises two identical filament-wound fiberglass-reinforced polyester (FRP) pressure vessels mounted vertically one over the other using heavy-duty,\u003c\/span\u003e\u003cspan\u003e corrosion-proof structural FRP or epoxy-coated steel stacking saddles.\u003c\/span\u003e\u003cspan\u003e The vessels are plumbed in parallel with a Schedule 80 PVC common face piping manifold,\u003c\/span\u003e\u003cspan\u003e enabling simultaneous filtration and independent,\u003c\/span\u003e\u003cspan class=\"\"\u003e staged backwashing so that standard commercial filtration pumps can backwash each tank individually without requiring an oversized wash pump.\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 143-124 Stacked (143 Series Commercial Dual 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\"\u003eConfiguration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,2,1,0\"\u003eTwo (2) horizontal vessels mounted in vertical stack (over\/under)\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\"\u003eEffective Filtration Area per Tank\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,3,1,0\"\u003e36.8 sq. ft. (3.42 m²)\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\"\u003eTotal System Filtration Area\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,4,1,0\"\u003e73.6 sq. ft. (6.84 m²)\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\"\u003eIndividual Tank Outer Diameter (OD)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,5,1,0\"\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=\"2,6,0,0\"\u003e\u003cb data-path-to-node=\"2,6,0,0\" 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=\"2,6,1,0\"\u003eApprox. 124.0 in (3,150 mm)\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\"\u003eSystem Footprint (Width x Length)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,7,1,0\"\u003eApprox. 46.0 in W x 130.0 in L (1,168 mm x 3,302 mm)\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\"\u003eOverall Assembled Height\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,8,1,0\"\u003eApprox. 102.0 to 108.0 in H (2,591 mm to 2,743 mm)\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\"\u003eCommon Face Piping \/ Manifold Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,9,1,0\"\u003e8.0 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=\"2,10,0,0\"\u003e\u003cb data-path-to-node=\"2,10,0,0\" 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=\"2,10,1,0\"\u003e368.0 US gpm (83.6 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\"\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=\"2,11,1,0\"\u003e736.0 US gpm (167.2 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\"\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=\"2,12,1,0\"\u003e1,030.4 US gpm (234.0 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,13,0,0\"\u003e\u003cb data-path-to-node=\"2,13,0,0\" 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=\"2,13,1,0\"\u003e1,104.0 US gpm (250.7 m³\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,14,0,0\"\u003e\u003cb data-path-to-node=\"2,14,0,0\" data-index-in-node=\"0\"\u003eRequired Backwash Flow Rate (Single Tank @ 15 gpm\/sq. ft.)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,14,1,0\"\u003e552.0 US gpm (125.4 m³\/h)\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\"\u003eTurnover Capacity (8-Hour @ 1,030.4 gpm)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,15,1,0\"\u003e494,592 US gal (1,872.2 m³)\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\"\u003eTurnover Capacity (6-Hour @ 1,030.4 gpm)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,16,1,0\"\u003e370,944 US gal (1,404.2 m³)\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\"\u003eMaximum Working Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,17,1,0\"\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=\"2,18,0,0\"\u003e\u003cb data-path-to-node=\"2,18,0,0\" 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=\"2,18,1,0\"\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=\"2,19,0,0\"\u003e\u003cb data-path-to-node=\"2,19,0,0\" data-index-in-node=\"0\"\u003eCertifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,19,1,0\"\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=\"2,20,0,0\"\u003e\u003cb data-path-to-node=\"2,20,0,0\" data-index-in-node=\"0\"\u003eTotal Media Load per Tank (Sand + Gravel)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,20,1,0\"\u003eApprox. 5,900 to 6,500 lbs (2,676 to 2,948 kg)\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\"\u003eTotal System Media Load (Both Tanks Combined)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,21,1,0\"\u003eApprox. 11,800 to 13,000 lbs (5,352 to 5,897 kg) total\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- \u003ci data-path-to-node=\"2,22,0,0\" 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=\"2,22,1,0\"\u003eApprox. 8,200 to 9,100 lbs (3,719 to 4,128 kg) total [4,100–4,550 lbs\/tank]\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,23,0,0\"\u003e- \u003ci data-path-to-node=\"2,23,0,0\" 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=\"2,23,1,0\"\u003eApprox. 3,600 to 3,900 lbs (1,633 to 1,769 kg) total [1,800–1,950 lbs\/tank]\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,24,0,0\"\u003e- \u003ci data-path-to-node=\"2,24,0,0\" 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=\"2,24,1,0\"\u003eApprox. 10,030 to 11,050 lbs (4,550 to 5,012 kg) total \u003ci data-path-to-node=\"2,24,1,0\" data-index-in-node=\"55\"\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=\"2,25,0,0\"\u003e\u003cb data-path-to-node=\"2,25,0,0\" data-index-in-node=\"0\"\u003eService Access\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,25,1,0\"\u003eIndividual elliptical manways (11\" x 15\" or 12\" x 16\") per vessel with EPDM gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"2,26,0,0\"\u003e\u003cb data-path-to-node=\"2,26,0,0\" 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=\"2,26,1,0\"\u003eSeamless filament-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\u003eEach vessel includes an independent internal Schedule 80 PVC distribution header,\u003c\/span\u003e\u003cspan\u003e slotted PVC collector underdrain assembly,\u003c\/span\u003e\u003cspan\u003e automatic continuous internal air relief piping,\u003c\/span\u003e\u003cspan\u003e manual brass air bleeders,\u003c\/span\u003e\u003cspan\u003e and individual bottom water drain and media slurry cleanout ports.\u003c\/span\u003e\u003cspan\u003e The factory-assembled manifold incorporates heavy-duty butterfly isolation valves to allow either vessel to be isolated for maintenance or backwashed in sequence.\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 complete dual-tank package—including two vessels,\u003c\/span\u003e\u003cspan\u003e heavy-duty structural stacking frame\/saddles,\u003c\/span\u003e\u003cspan\u003e Schedule 80 PVC face piping manifold kit,\u003c\/span\u003e\u003cspan\u003e hardware,\u003c\/span\u003e\u003cspan\u003e and protective heavy-duty crating (excluding media)—is approximately \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"244\"\u003e1,550 to 1,750 lbs (703 to 794 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003e When charged with 11,\u003c\/span\u003e\u003cspan\u003e800–13,\u003c\/span\u003e\u003cspan\u003e000 lbs of sand\/gravel media and completely flooded during 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=\"432\"\u003e25,500 to 28,500 lbs (11,567 to 12,927 kg)\u003c\/b\u003e\u003cspan\u003e concentrated over a single 46\" x 130\" equipment pad footprint.\u003c\/span\u003e\u003c\/p\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68295577010287,"sku":"143-124ST","price":105286.0,"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-143-124-horizontal-sand-filters-36-8-sq-ft-each-stacked-73-6-sq-ft-total","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}