{"product_id":"fc-9530","title":"Filbur Pentair\/Hayward 18\" DE Grid Set (7+1) For 36 SqFt Filters (FC-9530)","description":"\u003cp\u003eThe \u003cstrong\u003eFilbur Pentair\/Hayward 18\" DE Grid Set (7+1) For 36 SqFt Filters\u003c\/strong\u003e is designed for a defined pool or spa equipment application, where performance depends on the interaction of several related components. Properly selecting this version helps preserve the intended operation of the larger system and avoids replacing functioning equipment simply because one part requires service.\u003c\/p\u003e\u003ch3 style=\"margin:16px 0 5px;padding:0;\"\u003eDE Filter Grid Function and Replacement\u003c\/h3\u003e\u003cp style=\"margin-top:0;\"\u003eDiatomaceous earth filtration systems use a set of fabric-covered grids to support a fine coating of filter media. Water passes through that coated surface while captured particles remain in the filter until cleaning or backwashing. Full and partial grids can look similar, but their dimensions and position within an assembly must match the original filter configuration.\u003c\/p\u003e\u003cp\u003eA worn grid may show split fabric, damaged seams, distortion or broken internal supports. Installing a correctly sized replacement can restore the integrity of an otherwise serviceable grid assembly. During service, inspect the manifold, standpipe, air relief and remaining grids; one damaged component can allow filter media to return to the pool or reduce filtration performance.\u003c\/p\u003e\u003ch3 style=\"margin:16px 0 5px;padding:0;\"\u003eSelection and Installation Considerations\u003c\/h3\u003e\u003cp style=\"margin-top:0;\"\u003eMatch the grid position and full-versus-partial configuration before replacing individual elements in an existing DE filter set. The specific item reference \u003cstrong\u003eFC-9530\u003c\/strong\u003e should be used when checking ordering records, service illustrations and original manufacturer labels. The listed square-foot rating normally describes the complete filter assembly, not the surface area of a single replacement grid. Confirm the exact full\/partial arrangement and physical dimensions before purchase.\u003c\/p\u003e\u003ch3 style=\"margin:16px 0 5px;padding:0;\"\u003eUseful Features and Service Considerations\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFabric-covered grid supports a protective DE filter-media layer\u003c\/li\u003e\n\u003cli\u003eFull and partial grid positions are not interchangeable\u003c\/li\u003e\n\u003cli\u003eInspect seams and internal supports during maintenance\u003c\/li\u003e\n\u003cli\u003eCheck the manifold and companion grids before reassembly\u003c\/li\u003e\n\u003cli\u003eFilter area refers to the complete compatible system\u003c\/li\u003e\n\u003cli\u003eUse the manufacturer’s correct DE charging procedure\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e Identify the existing equipment model and compare the connection or mounting arrangement, manufacturer identification and any applicable electrical or safety requirements. This listing is for the particular item identified above, not for an entire system unless the product is expressly described as a complete assembly.\u003c\/p\u003e","brand":"Filbur Manufacturing","offers":[{"title":"Default Title","offer_id":49882347143323,"sku":"FC-9530","price":257.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/noimage_2e9b6d65-0f96-4a6a-ba40-4e2725f23f43.jpg?v=1792629029","url":"https:\/\/www.bathandspaparts.com\/en-ca\/products\/fc-9530","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}