{"product_id":"filbur-rectangular-diatomaceous-earth-de-grid-18-inch-by-19-1-4-inch-center-port-fc-9850-replacement","title":"Filbur Rectangular Diatomaceous Earth DE Grid 18 Inch By 19-1\/4 Inch Center Port FC-9850 Replacement","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Filbur Rectangular Diatomaceous Earth (DE) Grid, FC-9850—an OEM-grade replacement grid designed to maximize clarity and filtration efficiency in your 18\" x 19-1\/4\" rectangular DE filters with a center port. Built by Filbur, a trusted name in pool and spa filtration, this grid blends rugged durability with precise filtration performance to keep your water sparkling and easier to maintain.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this DE grid unique\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced extruded PVC center core\u003c\/strong\u003e with round holes for even stress distribution, reducing the risk of grid cracking under heavy loading and helping you achieve longer service intervals between cleanings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAntimicrobial end caps\u003c\/strong\u003e—reinforced for strength and treated to repel odor-causing bacteria and mold—designed to withstand salt pools and high levels of chlorine.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWider support bands\u003c\/strong\u003e to keep pleats evenly spaced, prevent flutter from turbulence, and maintain optimum flow across the grid for consistent filtration results.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium construction\u003c\/strong\u003e using robust materials that resist deterioration in saltwater environments and chlorine-rich pools, extending life and reducing replacement frequency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd caps with integrated fittings\u003c\/strong\u003e for straightforward installation and removal, minimizing flow restrictions and improving overall filtration performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEmbossed part numbers\u003c\/strong\u003e for quick identification and hassle-free reordering when you need a replacement grid.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy you’ll love it\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned to complement your DE filtration system, delivering deep dirt penetration while preventing bridging, so more particles are captured and held within the grid structure.\u003c\/li\u003e \u003cli\u003eBetter debris loading and pressure tolerance mean fewer surprises during filter maintenance and more consistent water clarity over time.\u003c\/li\u003e \u003cli\u003eOEM-grade reliability—Filbur’s focus on value and durability makes this grid a dependable choice for pool and spa owners who demand long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHomeowners maintaining saltwater or chlorine-heavy pools who want durable, long-lasting DE grid replacements.\u003c\/li\u003e \u003cli\u003ePools and spas using rectangular DE filter housings that require center-port grids with precise dimensions.\u003c\/li\u003e \u003cli\u003eAnyone seeking easier installation, clearer water, and less frequent grid replacements without compromising filtration quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInspect the grid for damage or warping during each routine maintenance and replace if center core shows signs of stress or cracked ends.\u003c\/li\u003e \u003cli\u003eRinse the grid with a garden hose between cleanings to remove trapped debris and maintain peak flow through the pleats.\u003c\/li\u003e \u003cli\u003eWhen reassembling, ensure the end caps and fittings are securely seated to avoid air leaks and ensure even flow across the grid.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your DE filtration with the Filbur FC-9850 Rectangular DE Grid and experience enhanced filtration efficiency, easier servicing, and long-lasting durability built to meet the demands of modern pools and spas.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":40241552982058,"sku":"FC-9850","price":55.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/14-176-1105_xl.jpg?v=1769976123","url":"https:\/\/bathparts.com\/en-um\/products\/filbur-rectangular-diatomaceous-earth-de-grid-18-inch-by-19-1-4-inch-center-port-fc-9850-replacement","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}