{"product_id":"filbur-purex-diatomaceous-earth-de-grid-filter-cartridge-full-size-18-inch-36-sq-ft-fc9230","title":"Filbur Purex Diatomaceous Earth DE Grid Filter Cartridge Full Size 18 Inch 36 Sq Ft FC9230","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Filbur Purex Diatomaceous Earth Grid FC-9230—an 18\" full-grid designed for 36 sq ft DE filtration systems. Built by Filbur, the leading OEM filter manufacturer in the USA, this grid is engineered for lasting performance in both residential pools and spas. Designed to withstand salt and high chlorine environments, it helps keep water clearer with reliable filtration efficiency.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReinforced center cores\u003c\/strong\u003e—extruded PVC construction distributes stress evenly, increases debris loading capacity, and helps prevent grid collapse under heavy filtration demand.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnd caps with integrated fittings\u003c\/strong\u003e—engineered for straightforward installation and removal, eliminating the need for PAD adapters that can impede flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWider, break-resistant bands\u003c\/strong\u003e—keep grid sections evenly spaced to maintain steady flow and reduce pleat flutter during operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAntimicrobial end caps\u003c\/strong\u003e—reinforced and treated to repel odor-causing bacteria and mold, providing added protection in salt and chlorine-rich pools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEmboldened part numbers\u003c\/strong\u003e—embossed identifiers for quick identification and simple reordering, minimizing downtime when replacements are needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium Filbur construction\u003c\/strong\u003e—the kit reflects Filbur’s commitment to value, durability, and dependable performance in OEM-grade filtration components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 18\" grid variant delivers a robust filtration surface of 36 sq ft, designed to capture debris more effectively and maintain clearer water longer. Ideal for homeowners and pool professionals seeking a reliable, easy-to-install DE grid that stands up to saltwater, high chlorine, and demanding filtration cycles. Choose Filbur Purex DE Grid FC-9230 for an OEM-grade upgrade that emphasizes longevity, consistent flow, and hassle-free maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":40241552588842,"sku":"FC-9230","price":25.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/products\/14-176-1055_xl.jpg?v=1769976123","url":"https:\/\/bathparts.com\/products\/filbur-purex-diatomaceous-earth-de-grid-filter-cartridge-full-size-18-inch-36-sq-ft-fc9230","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}