{"product_id":"sta-rite-system-3-modular-media-filters-sm-series-cartridge-400-sq-ft-115-gpm-55-000-gallons-in-ground-pool-s7m400","title":"Sta-Rite System 3 Modular Media Filters - SM Series, Cartridge, 400 sq. ft, 115 GPM, 55,000 gallons, In ground Pool | S7M400","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"625\" data-end=\"646\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"647\" data-end=\"1046\"\u003eThe \u003cstrong data-start=\"651\" data-end=\"702\"\u003eSta-Rite System 3 Modular Media Filter | S7M400\u003c\/strong\u003e is a high-capacity cartridge-style pool filter designed for strong water clarity, long filter cycles, and simplified maintenance. With \u003cstrong data-start=\"838\" data-end=\"876\"\u003e400 square feet of filtration area\u003c\/strong\u003e and a maximum flow rate of \u003cstrong data-start=\"904\" data-end=\"915\"\u003e115 GPM\u003c\/strong\u003e, this filter is built for residential inground pools, spas, and water feature systems that need dependable filtration performance.\u003c\/p\u003e\n\u003cp data-start=\"1048\" data-end=\"1349\"\u003eUnlike traditional sand or DE filters, the System 3 Modular Media design does \u003cstrong data-start=\"1126\" data-end=\"1153\"\u003enot require backwashing\u003c\/strong\u003e. Instead, the internal modular cartridges are removed, rinsed, and reinstalled when cleaning is needed. This helps conserve water, simplify maintenance, and reduce the need for backwash plumbing.\u003c\/p\u003e\n\u003cp data-start=\"1351\" data-end=\"1626\"\u003eBuilt with Sta-Rite’s durable \u003cstrong data-start=\"1381\" data-end=\"1433\"\u003eDura-Glas® glass-reinforced composite resin tank\u003c\/strong\u003e, balanced-flow hydraulics, and secure \u003cstrong data-start=\"1472\" data-end=\"1498\"\u003ePosi-Lok™ clamp system\u003c\/strong\u003e, the S7M400 is a professional-grade filtration option for pool owners who want efficient, low-maintenance cartridge filtration.\u003c\/p\u003e\n\u003chr data-start=\"1628\" data-end=\"1631\"\u003e\n\u003ch2 data-section-id=\"4fdhx7\" data-start=\"1633\" data-end=\"1647\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"1648\" data-end=\"2036\"\u003e\n\u003cli data-section-id=\"xsqaca\" data-start=\"1648\" data-end=\"1687\"\u003eResidential inground swimming pools\u003c\/li\u003e\n\u003cli data-section-id=\"pjwpf7\" data-start=\"1688\" data-end=\"1718\"\u003eInground spas and hot tubs\u003c\/li\u003e\n\u003cli data-section-id=\"161auk2\" data-start=\"1719\" data-end=\"1755\"\u003ePool and spa combination systems\u003c\/li\u003e\n\u003cli data-section-id=\"8q9xr4\" data-start=\"1756\" data-end=\"1793\"\u003eWater feature circulation systems\u003c\/li\u003e\n\u003cli data-section-id=\"1izrqok\" data-start=\"1794\" data-end=\"1838\"\u003ePools up to approximately 55,000 gallons\u003c\/li\u003e\n\u003cli data-section-id=\"1w7r4pt\" data-start=\"1839\" data-end=\"1883\"\u003eCustomers wanting no-backwash filtration\u003c\/li\u003e\n\u003cli data-section-id=\"1ngwss4\" data-start=\"1884\" data-end=\"1910\"\u003eEquipment pad upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"55nrbv\" data-start=\"1911\" data-end=\"1948\"\u003eReplacing older cartridge filters\u003c\/li\u003e\n\u003cli data-section-id=\"l1zo6m\" data-start=\"1949\" data-end=\"1990\"\u003eHigh-capacity filtration applications\u003c\/li\u003e\n\u003cli data-section-id=\"1mrx322\" data-start=\"1991\" data-end=\"2036\"\u003eProfessional pool equipment installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2038\" data-end=\"2041\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"2043\" data-end=\"2060\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"2061\" data-end=\"3190\"\u003e\n\u003cli data-section-id=\"12q3ah8\" data-start=\"2061\" data-end=\"2171\"\u003e\n\u003cstrong data-start=\"2063\" data-end=\"2094\"\u003e400 sq. ft. filtration area\u003c\/strong\u003e — large media surface area helps capture dirt, debris, and fine particles.\u003c\/li\u003e\n\u003cli data-section-id=\"jviwg2\" data-start=\"2172\" data-end=\"2264\"\u003e\n\u003cstrong data-start=\"2174\" data-end=\"2203\"\u003e115 GPM maximum flow rate\u003c\/strong\u003e — supports strong circulation for compatible pool systems.\u003c\/li\u003e\n\u003cli data-section-id=\"1h39xbh\" data-start=\"2265\" data-end=\"2375\"\u003e\n\u003cstrong data-start=\"2267\" data-end=\"2301\"\u003eModular media cartridge design\u003c\/strong\u003e — uses inner and outer cartridge elements for high-capacity filtration.\u003c\/li\u003e\n\u003cli data-section-id=\"wtc9wl\" data-start=\"2376\" data-end=\"2472\"\u003e\n\u003cstrong data-start=\"2378\" data-end=\"2405\"\u003eNo backwashing required\u003c\/strong\u003e — cartridges are cleaned by rinsing, helping reduce water waste.\u003c\/li\u003e\n\u003cli data-section-id=\"1w6txcw\" data-start=\"2473\" data-end=\"2600\"\u003e\n\u003cstrong data-start=\"2475\" data-end=\"2518\"\u003eDura-Glas® reinforced tank construction\u003c\/strong\u003e — durable glass-reinforced composite resin built for outdoor pool environments.\u003c\/li\u003e\n\u003cli data-section-id=\"cyl5l2\" data-start=\"2601\" data-end=\"2733\"\u003e\n\u003cstrong data-start=\"2603\" data-end=\"2637\"\u003eBalanced-flow hydraulic design\u003c\/strong\u003e — helps distribute water evenly through the filter media for improved filtration performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1sm1g18\" data-start=\"2734\" data-end=\"2825\"\u003e\n\u003cstrong data-start=\"2736\" data-end=\"2764\"\u003eIntegral manifold design\u003c\/strong\u003e — supports efficient water flow and cartridge performance.\u003c\/li\u003e\n\u003cli data-section-id=\"oiolgi\" data-start=\"2826\" data-end=\"2907\"\u003e\n\u003cstrong data-start=\"2828\" data-end=\"2854\"\u003ePosi-Lok™ clamp system\u003c\/strong\u003e — provides secure tank closure and service access.\u003c\/li\u003e\n\u003cli data-section-id=\"h7xmgh\" data-start=\"2908\" data-end=\"2986\"\u003e\n\u003cstrong data-start=\"2910\" data-end=\"2927\"\u003e2\" tank ports\u003c\/strong\u003e — supports standard high-flow pool plumbing connections.\u003c\/li\u003e\n\u003cli data-section-id=\"1otvqxf\" data-start=\"2987\" data-end=\"3089\"\u003e\n\u003cstrong data-start=\"2989\" data-end=\"3013\"\u003eLong cleaning cycles\u003c\/strong\u003e — large dirt-holding capacity helps extend time between filter cleanings.\u003c\/li\u003e\n\u003cli data-section-id=\"h1yik3\" data-start=\"3090\" data-end=\"3190\"\u003e\n\u003cstrong data-start=\"3092\" data-end=\"3131\"\u003eProfessional-grade SM Series design\u003c\/strong\u003e — part of Sta-Rite’s System 3 Modular Media filter line.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3192\" data-end=\"3195\"\u003e\n\u003ch2 data-section-id=\"33fg5d\" data-start=\"3197\" data-end=\"3210\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"3211\" data-end=\"3515\"\u003eThe Sta-Rite S7M400 System 3 filter is designed to deliver excellent water clarity with less routine maintenance than many smaller cartridge filters. Its large modular media design provides a high dirt-holding capacity, which helps extend filter cycles and reduce how often cartridges need to be cleaned.\u003c\/p\u003e\n\u003cp data-start=\"3517\" data-end=\"3754\"\u003eBecause the filter does not require backwashing, it can help conserve water and simplify equipment pad design. The durable Dura-Glas tank and secure Posi-Lok clamp system make it a strong choice for long-term residential pool filtration.\u003c\/p\u003e\n\u003cp data-start=\"3756\" data-end=\"3895\"\u003eFor pool owners looking for a high-capacity, no-backwash filter with strong hydraulic performance, the S7M400 is a reliable upgrade option.\u003c\/p\u003e\n\u003chr data-start=\"3897\" data-end=\"3900\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"3902\" data-end=\"3921\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3923\" data-end=\"5481\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3923\" data-end=\"3950\"\u003e\n\u003ctr data-start=\"3923\" data-end=\"3950\"\u003e\n\u003cth data-start=\"3923\" data-end=\"3939\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3939\" data-end=\"3950\" data-col-size=\"md\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3961\" data-end=\"5481\"\u003e\n\u003ctr data-start=\"3961\" data-end=\"4029\"\u003e\n\u003ctd data-start=\"3961\" data-end=\"3976\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3976\" data-end=\"4029\"\u003eSta-Rite System 3 Modular Media Filter, SM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4030\" data-end=\"4050\"\u003e\n\u003ctd data-start=\"4030\" data-end=\"4038\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"4038\" data-end=\"4050\" data-col-size=\"md\"\u003eSta-Rite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4051\" data-end=\"4088\"\u003e\n\u003ctd data-start=\"4051\" data-end=\"4066\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-start=\"4066\" data-end=\"4088\" data-col-size=\"md\"\u003ePentair \/ Sta-Rite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4089\" data-end=\"4113\"\u003e\n\u003ctd data-start=\"4089\" data-end=\"4103\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4103\" data-end=\"4113\"\u003eS7M400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4114\" data-end=\"4130\"\u003e\n\u003ctd data-start=\"4114\" data-end=\"4120\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"4120\" data-end=\"4130\" data-col-size=\"md\"\u003eS7M400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4131\" data-end=\"4153\"\u003e\n\u003ctd data-start=\"4131\" data-end=\"4137\" data-col-size=\"sm\"\u003eUPC\u003c\/td\u003e\n\u003ctd data-start=\"4137\" data-end=\"4153\" data-col-size=\"md\"\u003e022315302242\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4154\" data-end=\"4203\"\u003e\n\u003ctd data-start=\"4154\" data-end=\"4169\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4169\" data-end=\"4203\"\u003eModular media cartridge filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4204\" data-end=\"4244\"\u003e\n\u003ctd data-start=\"4204\" data-end=\"4220\" data-col-size=\"sm\"\u003eFilter Series\u003c\/td\u003e\n\u003ctd data-start=\"4220\" data-end=\"4244\" data-col-size=\"md\"\u003eSystem 3 \/ SM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4245\" data-end=\"4288\"\u003e\n\u003ctd data-start=\"4245\" data-end=\"4259\" data-col-size=\"sm\"\u003eFilter Type\u003c\/td\u003e\n\u003ctd data-start=\"4259\" data-end=\"4288\" data-col-size=\"md\"\u003eCartridge \/ modular media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4289\" data-end=\"4322\"\u003e\n\u003ctd data-start=\"4289\" data-end=\"4307\" data-col-size=\"sm\"\u003eFiltration Area\u003c\/td\u003e\n\u003ctd data-start=\"4307\" data-end=\"4322\" data-col-size=\"md\"\u003e400 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4323\" data-end=\"4354\"\u003e\n\u003ctd data-start=\"4323\" data-end=\"4343\" data-col-size=\"sm\"\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4343\" data-end=\"4354\"\u003e115 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4355\" data-end=\"4409\"\u003e\n\u003ctd data-start=\"4355\" data-end=\"4388\" data-col-size=\"sm\"\u003eOptimal Performance Flow Range\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4388\" data-end=\"4409\"\u003eApprox. 50–90 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4410\" data-end=\"4451\"\u003e\n\u003ctd data-start=\"4410\" data-end=\"4429\" data-col-size=\"sm\"\u003eRated Flow Range\u003c\/td\u003e\n\u003ctd data-start=\"4429\" data-end=\"4451\" data-col-size=\"md\"\u003eApprox. 50–115 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4452\" data-end=\"4500\"\u003e\n\u003ctd data-start=\"4452\" data-end=\"4468\" data-col-size=\"sm\"\u003ePool Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4468\" data-end=\"4500\"\u003eUp to approx. 55,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4501\" data-end=\"4554\"\u003e\n\u003ctd data-start=\"4501\" data-end=\"4528\" data-col-size=\"sm\"\u003e6-Hour Turnover Capacity\u003c\/td\u003e\n\u003ctd data-start=\"4528\" data-end=\"4554\" data-col-size=\"md\"\u003eApprox. 41,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4555\" data-end=\"4608\"\u003e\n\u003ctd data-start=\"4555\" data-end=\"4582\" data-col-size=\"sm\"\u003e8-Hour Turnover Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4582\" data-end=\"4608\"\u003eApprox. 55,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4609\" data-end=\"4663\"\u003e\n\u003ctd data-start=\"4609\" data-end=\"4637\" data-col-size=\"sm\"\u003e10-Hour Turnover Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4637\" data-end=\"4663\"\u003eApprox. 69,000 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4664\" data-end=\"4691\"\u003e\n\u003ctd data-start=\"4664\" data-end=\"4685\" data-col-size=\"sm\"\u003ePlumbing Port Size\u003c\/td\u003e\n\u003ctd data-start=\"4685\" data-end=\"4691\" data-col-size=\"md\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4692\" data-end=\"4769\"\u003e\n\u003ctd data-start=\"4692\" data-end=\"4706\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4706\" data-end=\"4769\"\u003eInground pools, inground spas, hot tubs, and water features\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4770\" data-end=\"4832\"\u003e\n\u003ctd data-start=\"4770\" data-end=\"4786\" data-col-size=\"sm\"\u003eTank Material\u003c\/td\u003e\n\u003ctd data-start=\"4786\" data-end=\"4832\" data-col-size=\"md\"\u003eDura-Glas glass-reinforced composite resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4833\" data-end=\"4871\"\u003e\n\u003ctd data-start=\"4833\" data-end=\"4846\" data-col-size=\"sm\"\u003eClamp Type\u003c\/td\u003e\n\u003ctd data-start=\"4846\" data-end=\"4871\" data-col-size=\"md\"\u003ePosi-Lok clamp system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4872\" data-end=\"4938\"\u003e\n\u003ctd data-start=\"4872\" data-end=\"4891\" data-col-size=\"sm\"\u003eHydraulic Design\u003c\/td\u003e\n\u003ctd data-start=\"4891\" data-end=\"4938\" data-col-size=\"md\"\u003eBalanced-flow design with integral manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4939\" data-end=\"4968\"\u003e\n\u003ctd data-start=\"4939\" data-end=\"4962\" data-col-size=\"sm\"\u003eBackwashing Required\u003c\/td\u003e\n\u003ctd data-start=\"4962\" data-end=\"4968\" data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4969\" data-end=\"5041\"\u003e\n\u003ctd data-start=\"4969\" data-end=\"4995\" data-col-size=\"sm\"\u003eCartridge Configuration\u003c\/td\u003e\n\u003ctd data-start=\"4995\" data-end=\"5041\" data-col-size=\"md\"\u003eModular inner and outer cartridge elements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5042\" data-end=\"5088\"\u003e\n\u003ctd data-start=\"5042\" data-end=\"5065\" data-col-size=\"sm\"\u003eOuter Cartridge Area\u003c\/td\u003e\n\u003ctd data-start=\"5065\" data-end=\"5088\" data-col-size=\"md\"\u003eApprox. 264 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5089\" data-end=\"5135\"\u003e\n\u003ctd data-start=\"5089\" data-end=\"5112\" data-col-size=\"sm\"\u003eInner Cartridge Area\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5112\" data-end=\"5135\"\u003eApprox. 136 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5136\" data-end=\"5208\"\u003e\n\u003ctd data-start=\"5136\" data-end=\"5176\" data-col-size=\"sm\"\u003eReplacement Outer Cartridge Reference\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5176\" data-end=\"5208\"\u003eS7M400 large outer cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5209\" data-end=\"5281\"\u003e\n\u003ctd data-start=\"5209\" data-end=\"5249\" data-col-size=\"sm\"\u003eReplacement Inner Cartridge Reference\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5249\" data-end=\"5281\"\u003eS7M400 small inner cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5282\" data-end=\"5330\"\u003e\n\u003ctd data-start=\"5282\" data-end=\"5303\" data-col-size=\"sm\"\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5303\" data-end=\"5330\"\u003e27\" L x 27\" W x 40.5\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5331\" data-end=\"5376\"\u003e\n\u003ctd data-start=\"5331\" data-end=\"5358\" data-col-size=\"sm\"\u003eCarton \/ Shipping Weight\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5358\" data-end=\"5376\"\u003eApprox. 125 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5377\" data-end=\"5414\"\u003e\n\u003ctd data-start=\"5377\" data-end=\"5398\" data-col-size=\"sm\"\u003eEquipment Category\u003c\/td\u003e\n\u003ctd data-start=\"5398\" data-end=\"5414\" data-col-size=\"md\"\u003ePool filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5415\" data-end=\"5462\"\u003e\n\u003ctd data-start=\"5415\" data-end=\"5455\" data-col-size=\"sm\"\u003eProfessional Installation Recommended\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5455\" data-end=\"5462\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5463\" data-end=\"5481\"\u003e\n\u003ctd data-start=\"5463\" data-end=\"5473\" data-col-size=\"sm\"\u003eSold As\u003c\/td\u003e\n\u003ctd data-start=\"5473\" data-end=\"5481\" data-col-size=\"md\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"5483\" data-end=\"5486\"\u003e\n\u003ch2 data-section-id=\"czfsbl\" data-start=\"5488\" data-end=\"5512\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul data-start=\"5513\" data-end=\"5766\"\u003e\n\u003cli data-section-id=\"br48y\" data-start=\"5513\" data-end=\"5580\"\u003e1 × Sta-Rite System 3 S7M400 modular media filter tank assembly\u003c\/li\u003e\n\u003cli data-section-id=\"kynhdp\" data-start=\"5581\" data-end=\"5616\"\u003eInner modular cartridge element\u003c\/li\u003e\n\u003cli data-section-id=\"bdu0t6\" data-start=\"5617\" data-end=\"5652\"\u003eOuter modular cartridge element\u003c\/li\u003e\n\u003cli data-section-id=\"qels5\" data-start=\"5653\" data-end=\"5680\"\u003ePosi-Lok clamp assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1ii8oah\" data-start=\"5681\" data-end=\"5713\"\u003eInternal manifold components\u003c\/li\u003e\n\u003cli data-section-id=\"hpnzjy\" data-start=\"5714\" data-end=\"5766\"\u003eManufacturer-supplied installation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5768\" data-end=\"5995\"\u003e\u003cem data-start=\"5768\" data-end=\"5995\"\u003ePlumbing unions, valves, additional fittings, replacement cartridges, O-rings, pressure gauge, air relief components, and installation materials may vary by supplier packaging. Confirm included components before installation.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"5997\" data-end=\"6000\"\u003e\n\u003ch2 data-section-id=\"1hui92y\" data-start=\"6002\" data-end=\"6025\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"6026\" data-end=\"6245\"\u003eThe Sta-Rite S7M400 should be installed by a qualified pool professional. Proper installation requires correct plumbing alignment, flow rate verification, equipment pad spacing, pressure testing, and startup inspection.\u003c\/p\u003e\n\u003cp data-start=\"6247\" data-end=\"6569\"\u003eBefore installation, confirm that the pool pump flow does not exceed the filter’s \u003cstrong data-start=\"6329\" data-end=\"6340\"\u003e115 GPM\u003c\/strong\u003e maximum flow rating and that the system is designed for compatible \u003cstrong data-start=\"6408\" data-end=\"6423\"\u003e2\" plumbing\u003c\/strong\u003e. The filter should be installed on a level, stable equipment pad with enough clearance around the tank for cartridge removal and routine service.\u003c\/p\u003e\n\u003cp data-start=\"6571\" data-end=\"6718\"\u003eAlways turn off the pump and relieve system pressure before opening the filter tank. Never loosen or remove clamps while the filter is pressurized.\u003c\/p\u003e\n\u003chr data-start=\"6720\" data-end=\"6723\"\u003e\n\u003ch2 data-section-id=\"w1k9cu\" data-start=\"6725\" data-end=\"6749\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-start=\"6751\" data-end=\"6930\"\u003e\u003cstrong data-start=\"6751\" data-end=\"6786\"\u003eQ: What is the Sta-Rite S7M400?\u003c\/strong\u003e\u003cbr data-start=\"6786\" data-end=\"6789\"\u003eA: It is a Sta-Rite System 3 SM Series modular media cartridge filter with 400 sq. ft. of filtration area and a maximum flow rate of 115 GPM.\u003c\/p\u003e\n\u003cp data-start=\"6932\" data-end=\"6983\"\u003e\u003cstrong data-start=\"6932\" data-end=\"6955\"\u003eQ: What is the SKU?\u003c\/strong\u003e\u003cbr data-start=\"6955\" data-end=\"6958\"\u003eA: The SKU is \u003cstrong data-start=\"6972\" data-end=\"6982\"\u003eS7M400\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6985\" data-end=\"7042\"\u003e\u003cstrong data-start=\"6985\" data-end=\"7008\"\u003eQ: What is the UPC?\u003c\/strong\u003e\u003cbr data-start=\"7008\" data-end=\"7011\"\u003eA: The UPC is \u003cstrong data-start=\"7025\" data-end=\"7041\"\u003e022315302242\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7044\" data-end=\"7142\"\u003e\u003cstrong data-start=\"7044\" data-end=\"7091\"\u003eQ: Is this a cartridge, sand, or DE filter?\u003c\/strong\u003e\u003cbr data-start=\"7091\" data-end=\"7094\"\u003eA: This is a \u003cstrong data-start=\"7107\" data-end=\"7141\"\u003emodular media cartridge filter\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7144\" data-end=\"7289\"\u003e\u003cstrong data-start=\"7144\" data-end=\"7188\"\u003eQ: Does this filter require backwashing?\u003c\/strong\u003e\u003cbr data-start=\"7188\" data-end=\"7191\"\u003eA: No. The cartridges are removed and rinsed for cleaning, so routine backwashing is not required.\u003c\/p\u003e\n\u003cp data-start=\"7291\" data-end=\"7389\"\u003e\u003cstrong data-start=\"7291\" data-end=\"7326\"\u003eQ: What is the filtration area?\u003c\/strong\u003e\u003cbr data-start=\"7326\" data-end=\"7329\"\u003eA: This filter has \u003cstrong data-start=\"7348\" data-end=\"7363\"\u003e400 sq. ft.\u003c\/strong\u003e of total filtration area.\u003c\/p\u003e\n\u003cp data-start=\"7391\" data-end=\"7471\"\u003e\u003cstrong data-start=\"7391\" data-end=\"7428\"\u003eQ: What is the maximum flow rate?\u003c\/strong\u003e\u003cbr data-start=\"7428\" data-end=\"7431\"\u003eA: The maximum flow rate is \u003cstrong data-start=\"7459\" data-end=\"7470\"\u003e115 GPM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7473\" data-end=\"7678\"\u003e\u003cstrong data-start=\"7473\" data-end=\"7519\"\u003eQ: What size pool can this filter support?\u003c\/strong\u003e\u003cbr data-start=\"7519\" data-end=\"7522\"\u003eA: It is commonly listed for pools up to approximately \u003cstrong data-start=\"7577\" data-end=\"7595\"\u003e55,000 gallons\u003c\/strong\u003e, depending on turnover requirements, pump sizing, plumbing design, and local code.\u003c\/p\u003e\n\u003cp data-start=\"7680\" data-end=\"7765\"\u003e\u003cstrong data-start=\"7680\" data-end=\"7725\"\u003eQ: What size plumbing ports does it have?\u003c\/strong\u003e\u003cbr data-start=\"7725\" data-end=\"7728\"\u003eA: The S7M400 uses \u003cstrong data-start=\"7747\" data-end=\"7764\"\u003e2\" tank ports\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7767\" data-end=\"7936\"\u003e\u003cstrong data-start=\"7767\" data-end=\"7811\"\u003eQ: What cartridges does this filter use?\u003c\/strong\u003e\u003cbr data-start=\"7811\" data-end=\"7814\"\u003eA: It uses a two-piece modular cartridge set: a large outer cartridge and a smaller inner cartridge for the S7M400 system.\u003c\/p\u003e\n\u003cp data-start=\"7938\" data-end=\"8054\"\u003e\u003cstrong data-start=\"7938\" data-end=\"7972\"\u003eQ: What is the tank made from?\u003c\/strong\u003e\u003cbr data-start=\"7972\" data-end=\"7975\"\u003eA: The tank is made from Sta-Rite’s Dura-Glas glass-reinforced composite resin.\u003c\/p\u003e\n\u003cp data-start=\"8056\" data-end=\"8244\"\u003e\u003cstrong data-start=\"8056\" data-end=\"8106\"\u003eQ: Is this for above-ground or inground pools?\u003c\/strong\u003e\u003cbr data-start=\"8106\" data-end=\"8109\"\u003eA: This model is designed for \u003cstrong data-start=\"8139\" data-end=\"8156\"\u003einground pool\u003c\/strong\u003e applications, as well as compatible inground spas, hot tubs, and water feature systems.\u003c\/p\u003e\n\u003cp data-start=\"8246\" data-end=\"8420\"\u003e\u003cstrong data-start=\"8246\" data-end=\"8293\"\u003eQ: Should this be professionally installed?\u003c\/strong\u003e\u003cbr data-start=\"8293\" data-end=\"8296\"\u003eA: Yes. Professional installation is recommended to ensure proper plumbing, pressure testing, flow rate, and safe operation.\u003c\/p\u003e","brand":"Pool Supply Depot","offers":[{"title":"Default Title","offer_id":53600929906998,"sku":"S7M400","price":1749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/OIP_a2667a5e-d5b2-416a-bf72-77765361d2c3.jpg?v=1778022561","url":"https:\/\/poolsupplydepot.net\/products\/sta-rite-system-3-modular-media-filters-sm-series-cartridge-400-sq-ft-115-gpm-55-000-gallons-in-ground-pool-s7m400","provider":"Pool Supply Depot","version":"1.0","type":"link"}