{"product_id":"apc-de-grid-complete-set-apcfs2003-18-36-sq-ft","title":"APC 36 sq ft DE Filter Grid Complete Set (8-Pack) - APCFS2003","description":"\u003cp\u003eThe \u003cstrong\u003eAPC DE Grid Complete Set APCFS2003\u003c\/strong\u003e is a premium full replacement set of D.E. (Diatomaceous Earth) filter grids engineered to restore peak filtration performance in your pool. Standing 18\" tall and covering 36 square feet of filtration area, this 8-piece set captures microscopic particles, dirt, and debris down to 2–5 microns — delivering crystal-clear water all season long. Built with heavy-duty, chemically resistant materials and sonically welded stitching, the APCFS2003 is a direct drop-in replacement for Hayward, Pentair, Pac-Fab, and other popular 36 sq ft D.E. filter systems.\u003c\/p\u003e\n\u003ch3\u003e🚩 PRO TIP\u003c\/h3\u003e\n\u003cp\u003eWhen replacing your D.E. grids, always backwash the filter first to remove spent D.E. media, then inspect the manifold and standpipe for cracks before installing the new grid set. After installation, re-charge the filter with fresh D.E. powder at the rate of 1 lb per 10 sq ft of filter area (approximately 3.6 lbs for a 36 sq ft filter) for optimal filtration efficiency.\u003c\/p\u003e\n\u003ch3\u003ePRODUCT FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComplete 8-Piece Set:\u003c\/strong\u003e Includes 7 full grids and 1 partial grid — everything needed for a full 36 sq ft replacement.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Direct replacement for Hayward DEX3600C, Pentair FNS Plus 36, Pac-Fab, Unicel FS-2003, and Filbur FC-9530 filter systems.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Chemical-resistant, mildew-resistant, and rot-resistant materials built for long-term pool use.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSonically Welded Stitching:\u003c\/strong\u003e Reinforced seams prevent bypass and ensure every drop of water passes through the filtration media.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReinforced Core:\u003c\/strong\u003e Added internal stability prevents grid collapse under high flow rates.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePrecise 18\" Fit:\u003c\/strong\u003e Engineered to the exact height specification for a snug, leak-free fit in compatible filter housings.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRestores Filter Efficiency:\u003c\/strong\u003e Worn or torn grids reduce filtration — a fresh set brings your D.E. filter back to like-new performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan class=\"hljs-section\"\u003e📦 KIT CONTENTS\u003c\/span\u003e This complete 36 sq ft overhaul kit includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"hljs-strong\"\u003e\u003cstrong\u003e✅ (7) APCFGR2\u003c\/strong\u003e\u003c\/span\u003e - 18\" DE Full Grids (Cross-ref: FC9330, FG1003)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan class=\"hljs-strong\"\u003e✅ (1) APCPGR2\u003c\/span\u003e\u003c\/strong\u003e - 18\" DE Partial Grid (\u003cstrong\u003eCompatible with Astral and Hayward 36 Sq Ft Systems\u003c\/strong\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"hljs-section\"\u003e⚙️ TECHNICAL SPECIFICATIONS\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan class=\"hljs-strong\"\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e APCFS2003\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hljs-strong\"\u003e\u003cstrong\u003eFiltration Area:\u003c\/strong\u003e \u003c\/span\u003e36 sq ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hljs-strong\"\u003e\u003cstrong\u003eGrid Height:\u003c\/strong\u003e \u003c\/span\u003e 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Grid Width:\u003c\/strong\u003e 11\" | Partial Grid Width: 9.75\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hljs-strong\"\u003e\u003cstrong\u003ePieces Included:\u003c\/strong\u003e \u003c\/span\u003e8 Grids (7 Full + 1 Partial)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan class=\"hljs-strong\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e 14.5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan class=\"hljs-strong\"\u003eUPC:\u003c\/span\u003e\u003c\/strong\u003e 842524104259\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hljs-strong\"\u003e\u003cstrong\u003eCross-Reference Part Numbers:\u003c\/strong\u003e \u003c\/span\u003eUnicel FS-2003, Filbur FC-9530, Hayward DEX3600C, Hayward Pro-Grid DE3620 (DEX3600DA), Hayward MicroClear DE3600, Pentair FNS Plus 36.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWHY SHOP WITH AL'S COOL POOL STORE?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Fast, reliable shipping on every order\u003c\/li\u003e\n\u003cli\u003e✅ Genuine OEM and top-brand parts only\u003c\/li\u003e\n\u003cli\u003e✅ Knowledgeable pool \u0026amp; spa experts ready to help\u003c\/li\u003e\n\u003cli\u003e✅ Hassle-free returns and satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APC","offers":[{"title":"Default Title","offer_id":44111506833543,"sku":"APCFS2003","price":132.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1217\/4983\/files\/apc-apcfs2003-de-filter-grid-complete-set-36-sq-ft-complete.jpg?v=1774285330","url":"https:\/\/alscoolpoolstore.com\/products\/apc-de-grid-complete-set-apcfs2003-18-36-sq-ft","provider":"Al's Cool Pool Store","version":"1.0","type":"link"}