{"product_id":"swimming-de-pool-filter-grids-compatible-with-hayward-pro-grid-de4820","title":"Swimming DE Pool Filter Grids Compatible with Hayward Pro-Grid DE4820","description":"\u003cp\u003eOur review of these Swimming DE pool filter grids finds them best suited for pool owners who need a direct, affordable replacement for Hayward Pro-Grid DE4820 or Micro Clear models. The most compelling reason to buy is the large \u003cstrong\u003e48-square-foot filtration area\u003c\/strong\u003e, which handles high water flow and captures suspended particles effectively. Installation is straightforward and customers report an accurate fit, making this a practical option for routine maintenance or when replacing worn DE grids without changing the filter housing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to replace Hayward Pro-Grid DE4820, Micro Clear DE4800\/DE480S and Penair FNS Plus grids, so it fits common DE filter housings without modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration area:\u003c\/strong\u003e The 48 sq ft cartridge area processes large volumes of water and removes suspended particles, organics and impurities for clearer pool water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable materials:\u003c\/strong\u003e Constructed from corrosion and weather resistant materials to provide stable, long-lasting performance in outdoor pool environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement part numbers:\u003c\/strong\u003e Matches multiple OEM part numbers such as PG-1904 and FG-1004 to simplify ordering the correct grid set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved circulation:\u003c\/strong\u003e By removing fine contaminants it helps the pool circulation system run more efficiently, reducing strain on pumps and other equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis grid set is for residential pool owners or maintenance professionals who need a direct replacement for a Hayward Pro-Grid DE4820, Hayward Micro Clear DE4800\/DE480S or Penair FNS Plus system and who value straightforward fit and strong filtration area. It works well for pools that accumulate suspended particles and organics and where a reliable, long-lived grid is preferred over repeated small fixes.\u003c\/p\u003e\n\u003cp\u003eIt is not aimed at owners who need custom-sized or specialty media, or those replacing an entire filtration system rather than just the grid elements. If a different filtration technology is desired, such as cartridge or sand conversions, this direct replacement grid set is not the right choice.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge 48 sq ft area provides effective removal of suspended particles and organics.\u003c\/li\u003e\n\u003cli\u003eCompatible with several Hayward and Penair models, making it easy to find the correct replacement.\u003c\/li\u003e\n\u003cli\u003eBuilt from corrosion and weather resistant materials for longer service life.\u003c\/li\u003e\n\u003cli\u003eCustomers report easy installation and a precise fit in compatible filter housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable for filters or housings outside the listed compatible models, so verification is required before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAumzong (compatible replacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration area\u003c\/td\u003e\n\u003ctd\u003e48 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e24 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible models\u003c\/td\u003e\n\u003ctd\u003eHayward Pro-Grid DE4820, Micro Clear DE4800, DE480S, Penair FNS Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement part numbers\u003c\/td\u003e\n\u003ctd\u003ePG-1904, FG-1004, DEX4800DA, DEX4800DS, FC-9340, FC-9440\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial properties\u003c\/td\u003e\n\u003ctd\u003eCorrosion and weather resistant construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Swimming DE pool filter grids are a practical, cost-effective replacement for owners of Hayward Pro-Grid DE4820 and similar models who need reliable filtration with easy installation. With a true 48 sq ft area and durable materials, it offers strong value for maintenance cycles and improves water clarity without altering existing filter hardware.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these grids fit my Hayward DE4820 filter?\u003c\/strong\u003e\u003cbr\u003eYes, they are designed as compatible replacements for Hayward Pro-Grid DE4820 and related Micro Clear models, but confirm model numbers before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much filtration area do these grids provide?\u003c\/strong\u003e\u003cbr\u003eThe set provides a 48 sq ft filtration area and the grids are 24 in in height, suitable for handling large water flow in compatible systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these grids durable for outdoor pool use?\u003c\/strong\u003e\u003cbr\u003eYes, they are made from high quality corrosion and weather resistant materials to extend service life in outdoor conditions.\u003c\/p\u003e","brand":"Aumzong","offers":[{"title":"Default Title","offer_id":48249166102747,"sku":"B0D3DZF53R","price":160.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61pjZxzR4CL._AC_SL1500_f38233a9-888a-41bb-bf48-09254624353b.jpg?v=1771072896","url":"https:\/\/gearmusthave.com\/products\/swimming-de-pool-filter-grids-compatible-with-hayward-pro-grid-de4820","provider":"GearMustHave","version":"1.0","type":"link"}