{"product_id":"pentair-de-grid-replacement-for-sta-rite-system-3-smd-series-60-sq-ft-direct-fit-oem-dimensions","title":"Pentair DE Grid replacement for Sta-Rite System 3 SMD Series — 60 sq ft direct-fit, OEM dimensions","description":"\u003cp\u003e\u003cstrong\u003ePentair's DE Grid for the System 3 SMD Series is a direct-fit 60 sq ft diatomaceous earth filtration element designed to restore peak filtration performance in compatible Pentair Sta-Rite pool and spa filters.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Sta-Rite System 3 SMD-Series filter is showing higher pressure, reduced flow, or more frequent backwashing, replacing the D.E. grids with a correctly sized element brings the filter back to intended efficiency. This replacement grid provides the same 60-square-foot filtration area specified for certain System 3 models and matches the original equipment dimensions so installation is straightforward for most DIYers and service technicians.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this Pentair DE grid fit my System 3 SMD-Series filter?\u003c\/h3\u003e\n\u003cp\u003eThis grid is made to the original Sta-Rite System 3 SMD-Series physical specifications so it aligns with the manifold and tank geometry used in those models. Confirm compatibility by checking the SMD-Series model number and interior manifold type before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact 60 sq ft filtration area for specified System 3 models\u003c\/li\u003e\n  \u003cli\u003eDimensions: 17\" length × 27.5\" height × 17\" width to match original grids\u003c\/li\u003e\n  \u003cli\u003eEngineered to seat into the SMD-Series manifold and clamp system\u003c\/li\u003e\n  \u003cli\u003eWorks with standard D.E. charging procedures used for System 3 filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance improvements should I expect after installing this element?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn or damaged grids typically lowers operating pressure and improves water clarity because the fresh D.E. surface traps finer particles more effectively. You should notice stronger circulation and longer intervals between backwashes when the grid is properly installed and charged with D.E.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores original filter flow characteristics and pressure profile\u003c\/li\u003e\n  \u003cli\u003eImproves particle capture down to fine micron ranges with proper D.E.\u003c\/li\u003e\n  \u003cli\u003eReduces frequency of deep cleaning and maintenance cycles\u003c\/li\u003e\n  \u003cli\u003eHelps maintain consistent water clarity during heavy pool use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the System 3 60 sq ft grid?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires basic pool service tools and safe handling of used D.E. material. Always follow Pentair\/Sta-Rite installation steps: shut off pump, open the filter, remove old grids, inspect manifold seals, install the new grid, and reassemble. Charge the element with the recommended type and amount of D.E. before restarting circulation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn off pump, drain or depressurize filter before opening\u003c\/li\u003e\n  \u003cli\u003eInspect manifold, clamp, and O-rings; replace if worn\u003c\/li\u003e\n  \u003cli\u003eRinse new grid with low-pressure water before charging\u003c\/li\u003e\n  \u003cli\u003eAdd the correct quantity of D.E. during the filter’s backwash\/rinse cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose an OEM Pentair replacement grid instead of generic parts?\u003c\/h3\u003e\n\u003cp\u003eOEM Pentair grids are engineered to match original tolerances, manifold connections, and material specifications for System 3 filters, reducing fitment issues and sealing leaks. Using the correct replacement grid helps maintain warranty alignment and predictable performance over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMade to original Sta-Rite System 3 SMD-Series specifications\u003c\/li\u003e\n  \u003cli\u003eReduces risk of misfit, bypass, or premature wear found with non‑OEM parts\u003c\/li\u003e\n  \u003cli\u003eSimplifies maintenance with assured dimensional accuracy\u003c\/li\u003e\n  \u003cli\u003eSupports long-term filtration performance and system reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Pool owners, maintenance professionals, and service technicians responsible for Pentair\/Sta-Rite System 3 SMD-Series pools and spas who need a reliable, correct-size 60 sq ft D.E. replacement element. If your filter is one of the SMD-Series models that specifies a 60-square-foot grid and you want to restore original filtration efficiency without retrofit modifications, this Pentair element is the appropriate OEM choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this DE grid compatible with all System 3 SMD filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits System 3 SMD-Series models that specify a 60 sq ft element—verify your model number and manifold before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the DE grid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace when the grid shows tears, persistent high pressure, or after several years of heavy use; inspect annually.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":56806007210324,"sku":"B004VU95UQ","price":646.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/pentair-de-grid-system3-front-view.jpg?v=1786811402","url":"https:\/\/gardenluxe.co.uk\/products\/pentair-de-grid-replacement-for-sta-rite-system-3-smd-series-60-sq-ft-direct-fit-oem-dimensions","provider":"Gardenluxe Uk","version":"1.0","type":"link"}