{"title":"Pentair DE Filters","description":"","products":[{"product_id":"pentair-quad-d-e-cartridge-style-filters-60-ec-188592","title":"Pentair Quad D.E. Cartridge Style Filters 60 || EC-188592","description":"\u003ch2\u003ePentair Quad D.E. Cartridge Style Filter 60 sq ft | EC-188592\u003c\/h2\u003e\n\u003cp\u003eHigh-efficiency 60 sq ft cartridge-style D.E. pool filter by Pentair (SKU EC-188592) with four removable cartridges, ~120 GPM flow rating, and rugged fiberglass-reinforced tank.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour large-capacity cartridge elements provide an extensive filtration area and extended intervals between cleanings.\u003c\/li\u003e\n\u003cli\u003eRated flow up to ~120 GPM under guideline conditions.\u003c\/li\u003e\n\u003cli\u003eCapable of filtering down to ~5 microns for high water clarity.\u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank offers superior durability in poolside environments.\u003c\/li\u003e\n\u003cli\u003eMultiple cleaning options: backwash, cartridge removal \u0026amp; rinse, or drain-and-rinse to suit your maintenance preference.\u003c\/li\u003e\n\u003cli\u003e2″ plumbing connections and compact footprint ease installation into standard equipment pads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair Quad D.E. Cartridge Style Filter 60 sq ft (SKU EC-188592) delivers best-in-class filtration performance for residential in-ground pools. Offering a powerful combination of D.E. level clarity and cartridge-style convenience, it features four easily removable cartridges, each maximizing dirt-holding capacity, and supports high flows without sacrificing efficiency. The rugged fiberglass-reinforced tank stands up to clean chemistry and weather exposure, while its multiple servicing options let you clean the way you prefer—whether via traditional backwash or fast cartridge rinse. Ideal for pool owners who demand clarity without constant upkeep, this filter delivers premium performance with minimal fuss.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eMatch your pump and plumbing so the system flow remains at or below ~120 GPM to maximize media life and maintain clarity. Confirm you have at least 62–74″ vertical clearance above the tank for lid removal and cartridge access. Monitor system pressure and when it rises ~10 psi above clean start, backwash or remove cartridges and rinse thoroughly. Inspect cartridges regularly for wear and replace every few seasons, depending on usage.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Shut off pool pump power and relieve system pressure before servicing or installing. Ensure the base is level and rated for the tank plus water and cartridge load. Confirm plumbing ports match a 2″ connection or adapt accordingly. Lubricate and inspect O-ring seals and clamp rings before restarting. Use only a compatible multiport or backwash valve (sold separately) per Pentair recommendations.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890068851,"sku":"PAC-05-9592","price":1537.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/QuadDE-banner.png?v=1772563784"},{"product_id":"pentair-fns-plus-filters-36-ec-180007","title":"Pentair FNS Plus Filters 36 || EC-180007","description":"\u003ch2\u003ePentair FNS Plus Filter 36 sq ft | EC-180007\u003c\/h2\u003e\n\u003cp\u003eHigh-performance fiberglass-reinforced D.E. filter by Pentair (SKU EC-180007) with 36 sq ft grid pack and ~72 GPM flow rating.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e36 sq ft effective filtration area with approx. 72 GPM flow capability.\u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank for superior chemical and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eCurved vertical grid (Service-Ease™) design maximises filter area and extends run intervals.\u003c\/li\u003e\n\u003cli\u003eTop-to-bottom backwash design plus 2″ plumbing connections for high flow and easy servicing.\u003c\/li\u003e\n\u003cli\u003eContinuous High-Flow™ internal air relief and manual air relief valve maintain efficient operation.\u003c\/li\u003e\n\u003cli\u003eCertified to NSF\/ANSI 50; maximum continuous operating pressure 50 psi; water temperature limit 104 °F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair FNS Plus Filter 36 sq ft (SKU EC-180007) is built for residential in-ground pools where clarity, efficiency, and durability matter. With a 36 sq ft grid pack rated for ~72 GPM, the filter supports strong turnover while maintaining efficient performance. The durable fibreglass-reinforced tank handles chemical exposure and weather conditions with ease. Inside, the curved vertical grid design increases surface area and reduces the frequency of cleanings. Advanced features like the integrated air-relief system and full-drain plumbing further streamline maintenance. If you're looking for a high-quality D.E. filter upgrade, this model delivers reliable filtration and low-maintenance operation.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eEnsure your pump flow remains at or below ~72 GPM to maintain optimal media life and clarity. Verify you have at least 62″ of vertical clearance above the filter for grid service. When system pressure rises ~10 psi above the initial reading, backwash and inspect the grid pack.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Shut off pump power and relieve system pressure before servicing or installing. Ensure the filter base is level and rated for the weight of the tank, water, and D.E. grid pack. Confirm plumbing size and valve port match the filter’s 2″ connection. After installation, clamp the tank securely, check the O-ring seal, and verify air relief functionality before returning to service.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890101619,"sku":"PAC-05-0083","price":1330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/FNSPlus-banner.png?v=1772563785"},{"product_id":"pentair-quad-d-e-cartridge-style-filters-100-ec-188594","title":"Pentair Quad D.E. Cartridge Style Filters 100 || EC-188594","description":"\u003ch2\u003ePentair Quad D.E. Cartridge Style Filter 100 sq ft | EC-188594\u003c\/h2\u003e\n\u003cp\u003eHigh-capacity hybrid D.E.\/cartridge pool filter by Pentair (SKU EC-188594) with 100 sq ft effective area, four removable cartridges, ~160 GPM rating, and robust tank construction.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100 sq ft effective filtration area for high debris capacity and fine-particle capture.\u003c\/li\u003e\n\u003cli\u003eFour cartridge-style elements combine D.E. clarity with cartridge service convenience.\u003c\/li\u003e\n\u003cli\u003eFlow rating up to approximately ~160 GPM under guideline sizing conditions. \u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank for long-term durability in pool environments. \u003c\/li\u003e\n\u003cli\u003eMultiple servicing options: backwash \u0026amp; recharge, remove \u0026amp; rinse cartridges, or open drain plug \u0026amp; rinse. \u003c\/li\u003e\n\u003cli\u003eCompact footprint (~21.5″ diameter) for premium filtration in residential equipment pads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair Quad D.E. Cartridge Style Filter 100 sq ft (SKU EC-188594) is built for demanding residential pool installations where clarity, capacity, and low-maintenance operation matter. With its 100 square-foot effective area and four large cartridge elements, the unit delivers the filtration performance of traditional D.E. systems—in a cartridge-style format that simplifies servicing. The durable tank construction and efficient internal flow path make the system well-suited for high turnover zones or larger in-ground pool setups. Maintenance is streamlined thanks to the removable cartridges and smart design. If you're upgrading to a premium filter that reduces service time without sacrificing clarity, this model is a strong choice.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance, ensure your pump and plumbing deliver flow at or below the ~160 GPM guideline rating. Confirm you have at least ~74″ vertical clearance above the unit for cartridge removal and lid access. When your pressure gauge climbs about ~10 psi above its clean-start reading, conduct maintenance—rinse cartridges or backwash as appropriate. Use genuine replacement cartridges and inspect the O-ring, clamp ring, and lid seal with each service cycle.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Disconnect power to the pump and relieve system pressure before installation or servicing. Ensure the filter is mounted on a level, supported pad rated for the full weight of tank + water + cartridges. Confirm plumbing ports (2″ standard) match your system or use adapters as needed. Lubricate the O-ring and ensure the clamp ring or lid fasteners are correctly torqued. Use a compatible multiport or slide valve rated for the system flow (valve sold separately). Confirm the air-relief valve is functioning and the drain port is accessible before restarting the system.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890167155,"sku":"PAC-05-9594","price":2273.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/QuadDE-banner_ada18221-8880-452c-85ae-ef04129875ee.png?v=1772563788"},{"product_id":"pentair-quad-d-e-cartridge-style-filters-80-ec-188593","title":"Pentair Quad D.E. Cartridge Style Filters 80 | EC-188593","description":"\u003ch2\u003ePentair Quad D.E. Cartridge Style Filter 80 sq ft | EC-188593\u003c\/h2\u003e\n\u003cp\u003e80 sq ft cartridge-style D.E. pool filter by Pentair (SKU EC-188593) with four removable cartridges, rated for ~160 GPM flow and built for high clarity and durability.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour large-capacity cartridge elements provide maximum filter surface area and extended intervals between cleanings.\u003c\/li\u003e\n\u003cli\u003e80 sq ft effective filtration area supports strong turnover and longer service cycles.\u003c\/li\u003e\n\u003cli\u003eRated flow approximately 160 gallons per minute under guideline conditions. \u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank offers rugged durability in harsh pool environments. \u003c\/li\u003e\n\u003cli\u003eCombination D.E.\/cartridge design gives top-tier clarity with cartridge-style ease of service. \u003c\/li\u003e\n\u003cli\u003eThree servicing methods: backwash \u0026amp; recharge, remove \u0026amp; rinse cartridges, or drain-and-rinse cartridges in place. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair Quad D.E. Cartridge Style Filter 80 sq ft (SKU EC-188593) is engineered for residential in-ground pool systems where premium filtration, high water clarity, and simplified maintenance matter. With its 80 square-foot effective area and high flow capacity, this filter handles larger circulation demands while maintaining exceptional clarity. The robust fiberglass-reinforced polypropylene tank ensures long-term durability in outdoor, chemical-rich environments. The four-cartridge layout offers more surface area than traditional single-cartridge models and significantly reduces service frequency. For pool owners seeking elevated filtration performance with lower upkeep, this model stands out.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eEnsure your pump and plumbing match this filter’s capacity—aim to keep flow at or below ~160 GPM. Leave adequate vertical clearance for lid and cartridge access. Monitor the pressure gauge and whenever it rises ~10 psi above the clean-start number, plan for maintenance. Use genuine replacement cartridges and inspect O-rings and the clamp ring during each service cycle.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Always shut off power to the pump and relieve system pressure before servicing or installing. Mount the filter on a level pad rated for the tank plus full water\/media load. Confirm plumbing ports match the filter’s 2-inch connection. Lubricate the lid O-ring, ensure the clamp ring is properly seated and tight, and verify the drain plug and air relief valve are functioning before returning the system to service.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890199923,"sku":"PAC-05-9593","price":1954.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/QuadDE-banner_61fc541f-8955-4d53-a3dc-053b3cf55959.png?v=1772563789"},{"product_id":"pentair-fns-plus-filters-60-ec-180009","title":"Pentair FNS Plus Filters 60 || EC-180009","description":"\u003ch2\u003ePentair FNS Plus Filter 60 sq ft | EC-180009\u003c\/h2\u003e\n\u003cp\u003eHigh-performance D.E. (diatomaceous earth) pool filter by Pentair (SKU EC-180009) with 60 sq ft grid area, rated for up to ~120 GPM flow and built for clarity and durability.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e60 sq ft effective grid filtration area for substantial debris capacity and extended service intervals.\u003c\/li\u003e\n\u003cli\u003eFlow rating up to ~120 GPM under guideline sizing.\u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank resists corrosion, pool chemicals and UV exposure.\u003c\/li\u003e\n\u003cli\u003eCurved vertical grid-pack (Service-Ease™) and streamlined manifold for improved flow and prolonged filter performance. \u003c\/li\u003e\n\u003cli\u003eTop-to-bottom backwash design paired with integrated High Flow™ internal air relief and manual air-relief valve for easy maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair FNS Plus Filter 60 sq ft (SKU EC-180009) is designed to meet the performance demands of in-ground residential pools seeking exceptional clarity and longer service intervals. With 60 square feet of filtration surface area and a flow capability around 120 GPM (when properly sized), this D.E. filter supports higher volume and turnover systems while maintaining efficient operation. The durable fiberglass-reinforced polypropylene tank ensures long life under harsh pool conditions. Internally, the curved grids maximise surface area and reduce hydraulic resistance, extending time between cleanings and reducing pump strain. Service-friendly design features—such as the top-to-bottom backwash layout, accessible drain port and air relief system—make upkeep faster and safer. If you want a premium filtration solution without over-sizing, this model delivers impressive clarity with built-in convenience.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eTo get the most from this filter, match your pump and plumbing so that the system flow remains at or below ~120 GPM. Make sure you allow for roughly 86″ of vertical clearance above the unit for the grid removal and service access. When your pressure gauge climbs approximately 10 psi over your starting baseline, it’s time to backwash and inspect the grids for wear.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Shut off pool pump power and relieve all system pressure before servicing or installing. Ensure the filter sits on a level concrete pad designed to carry the tank + water + grid weight. Confirm plumbing connections match the filter’s 2-inch port size and purchase the multiport or backwash valve separately (valve sold separately). Lubricate the O-ring on the lid or clamp, secure the tank clamp per manufacturer specification, and check that the air-relief valve is functioning before returning system to service.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890560371,"sku":"PAC-05-0085","price":1633.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/FNSPlus-banner_f3a0b1de-a7de-49a7-afff-7a0748699f2b.png?v=1772563804"},{"product_id":"pentair-fns-plus-filters-48-ec-180008","title":"Pentair FNS Plus Filters 48 || EC-180008","description":"\u003ch2\u003ePentair FNS Plus Filter 48 sq ft | EC-180008\u003c\/h2\u003e\n\u003cp\u003eD.E. (diatomaceous earth) pool filter by Pentair (SKU EC-180008) with 48 sq ft grid pack, ~96 GPM flow, and fiberglass-reinforced tank.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e48 sq ft effective filtration area for sustained clarity and turnover.\u003c\/li\u003e\n\u003cli\u003eRated for approximately 96 GPM flow under guideline conditions.\u003c\/li\u003e\n\u003cli\u003eFiberglass-reinforced polypropylene tank offers durable, long-life performance.\u003c\/li\u003e\n\u003cli\u003eCurved vertical grid (Service-Ease™) pack and top-to-bottom backwash design simplify maintenance.\u003c\/li\u003e\n\u003cli\u003e2″ plumbing connections, 1″ clean-out drain port, and high-flow internal air relief support efficient operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair FNS Plus Filter 48 sq ft (SKU EC-180008) is designed for residential in-ground pool systems where clarity, efficient filtration, and easier service are important. With 48 square feet of D.E. grid area and flow capability around 96 GPM, it handles a broad range of pool sizes and turnover demands. The robust tank construction resists chemicals and UV exposure. The curved grid pack enhances surface area while minimizing restrictions, and the backwash and air relief features reduce downtime. For pool owners seeking a strong D.E. filtration solution with longevity and ease, the EC-180008 is an excellent choice.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eMatch your pump output and plumbing so system flow remains at or below ~96 GPM. Ensure at least ~74″ vertical clearance above the filter for grid removal and maintenance. When the pressure gauge rises ~10 psi above the start point, backwash and inspect the grid pack for wear and performance issues.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eHigh-level safety\/compatibility notes only: Turn off and lock out pump power, relieve system pressure before servicing or installing. Ensure the filter base is level and rated for the tank plus D.E. media and water load. Confirm plumbing ports match the 2″ connection size. Check and replace O-ring seals as required, clamp the tank per the manufacturer's torque specs, and verify the air-relief valve and drain port operate correctly before starting the system.\u003c\/p\u003e","brand":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","offers":[{"title":"Default Title","offer_id":62589890593139,"sku":"PAC-05-0084","price":1473.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/files\/FNSPlus-banner_1fb72bc7-0015-4221-96b7-f7753e92cad3.png?v=1772563806"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/2464\/4211\/collections\/ChatGPT_Image_Dec_2_2025_02_46_42_PM.webp?v=1772641340","url":"https:\/\/cavanaughpool.com\/collections\/pentair-de-filters.oembed","provider":"Cavanaugh Pool, Spa \u0026 Patio, Inc.","version":"1.0","type":"link"}