{"product_id":"unicel12filtergridforastralpacfabamericanhaywardpg1902unfpg1902","title":"Unicel 12\" Filter Grid for Astral\/Pac Fab\/American\/Hayward | PG-1902","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eUnicel PG-1902 D.E. Filter Grid Replacement (Vertical Grid Style)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Unicel PG-1902 is a replacement \u003cstrong\u003ediatomaceous earth (D.E.) filter grid\u003c\/strong\u003e used in select vertical-grid D.E. pool filters.\n    D.E. grids are the primary filtration media inside the filter tank—capturing very fine debris when properly charged with D.E. powder.\n    Replacing a worn or torn grid helps restore water clarity and helps prevent D.E. powder from returning to the pool.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement \u003cstrong\u003eD.E. filter grid\u003c\/strong\u003e (vertical grid style)\u003c\/li\u003e\n    \u003cli\u003eHelps restore fine-particle filtration when used with the correct D.E. charge\u003c\/li\u003e\n    \u003cli\u003eCommon service replacement when a grid is \u003cstrong\u003etorn, frayed, split, or brittle\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eDesigned for repeated cleaning cycles and seasonal maintenance\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUsed in \u003cstrong\u003eselect\u003c\/strong\u003e vertical-grid D.E. filters that specify Unicel \u003cstrong\u003ePG-1902\u003c\/strong\u003e as the replacement grid.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBest practice:\u003c\/strong\u003e match by part number and compare your existing grid’s \u003cstrong\u003elength\u003c\/strong\u003e, \u003cstrong\u003etop\/bottom opening\u003c\/strong\u003e, and whether it is a \u003cstrong\u003efull\u003c\/strong\u003e or \u003cstrong\u003epartial\u003c\/strong\u003e grid.\u003c\/li\u003e\n    \u003cli\u003eIf you’re replacing one damaged grid, consider inspecting the full grid set—multiple grids often wear at the same pace.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Signs You Need a New Grid\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eD.E. powder returning to the pool through the return jets\u003c\/li\u003e\n    \u003cli\u003eVisible tears, seam separation, or fabric thinning\u003c\/li\u003e\n    \u003cli\u003eCloudy water or short filter cycles even after cleaning and recharging with D.E.\u003c\/li\u003e\n    \u003cli\u003eDebris bypass after confirming the manifold\/standpipe seals are intact\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off power and \u003cstrong\u003erelieve filter pressure\u003c\/strong\u003e at the air relief before opening the tank.\u003c\/li\u003e\n    \u003cli\u003eInspect the \u003cstrong\u003emanifold\u003c\/strong\u003e, \u003cstrong\u003estandpipe o-ring\u003c\/strong\u003e, and \u003cstrong\u003eair relief\u003c\/strong\u003e components while the filter is open.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, recharge with the correct amount of D.E. for your specific filter model.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Unicel%20PG-1902\"\u003eUnicel PG-1902 (Search Results)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=DE%20filter%20grid\"\u003eD.E. Filter Grids (Other Sizes)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=DE%20filter%20manifold\"\u003eD.E. Filter Manifolds\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=DE%20filter%20tank%20o-ring\"\u003eD.E. Filter Tank O-Rings\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=diatomaceous%20earth%20pool%20filter%20powder\"\u003eD.E. Pool Filter Powder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=DE%20filter%20cleaner\"\u003eD.E. Filter Cleaner\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eClean\/backwash when pressure rises about \u003cstrong\u003e8–10 PSI\u003c\/strong\u003e above your clean starting pressure.\u003c\/li\u003e\n    \u003cli\u003eOpen and inspect grids at least once per season—small tears can quickly become major bypass issues.\u003c\/li\u003e\n    \u003cli\u003eRinse grids thoroughly and avoid stiff brushes that can damage the fabric.\u003c\/li\u003e\n    \u003cli\u003eBalanced water chemistry helps reduce scale and extends grid life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797841203375,"sku":"PG-1902","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-12-filter-grid-for-astralpac-fabamericanhayward-pg-1902-grids-7552352.jpg?v=1777068046","url":"https:\/\/freshized.com\/products\/unicel12filtergridforastralpacfabamericanhaywardpg1902unfpg1902","provider":"Freshized","version":"1.0","type":"link"}