{"product_id":"unicel-fg-2413-partial-de-filter-grid-anthony-apollo-flowmaster-4000-48-sq-ft-13-24","title":"Unicel FG-2413 Partial DE Filter Grid for Anthony Apollo \u0026 Flowmaster 4000 | 48 sq. ft. | 13½\" × 24\"","description":"\u003cp\u003eThe Unicel FG-2413 is a precision-engineered \u003cstrong\u003epartial replacement DE filter grid\u003c\/strong\u003e for 48 sq. ft. Anthony DE filter systems — specifically the Apollo 4000 and Flowmaster 4000 series. Built with high-grade DE filter fabric and reinforced seaming, this partial grid delivers reliable pressure resistance and long-term durability as an exact aftermarket replacement for Anthony OEM Part Number 17565.\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠️ IMPORTANT: PARTIAL GRID — NOT A FULL GRID\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eThis is a single (1) partial DE filter grid, used alongside full grids to complete a filter set. A full re-grid of the Anthony Apollo 4000 \/ Flowmaster 4000 requires \u003cem\u003eseven (7) full grids\u003c\/em\u003e plus \u003cem\u003eone (1) partial grid\u003c\/em\u003e (this part). Verify your filter model's grid configuration before ordering — partial grids are NOT interchangeable with full grids.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠️ IMPORTANT: Full Grids Also Required — This is the Partial Grid Only\u003c\/strong\u003e\u003cbr\u003e\nThe Anthony Apollo 4000 \/ Flowmaster 4000 requires \u003cstrong\u003e7 full grids + 1 partial grid\u003c\/strong\u003e for a complete re-grid. This listing is for the partial grid only. You will also need — \u003ca href=\"https:\/\/www.poolaroo.com\/products\/unicel-17-1-2-x-24-anthony-repl-fg-2417\"\u003e\u003cstrong\u003eUnicel FG-2417 Replacement DE Filter Grid (Full)\u003c\/strong\u003e\u003c\/a\u003e.\n\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0;\"\u003e\n\u003cstrong\u003e⚠️ IMPORTANT: Apollo 5000 \/ Flowmaster 5000 Owners — This Grid Will NOT Fit Your Filter\u003c\/strong\u003e\u003cbr\u003e\nThe FG-2413 is a 24\" partial grid for 48 sq. ft. (4000 series) systems only. The Anthony Apollo 5000 and Flowmaster 5000 are 60 sq. ft. filters that require 30\" grids. \u003cstrong\u003eDo not order this part for a 5000 series filter.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eFilter System Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e48 sq. ft. (total system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eGrid Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e24\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eGrid Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e13½\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eGrid Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003ePartial Grid (Single)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eHigh-grade DE filter fabric with reinforced seaming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eReplaces OEM Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eAnthony 17565\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFits Into:\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eOEM Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eFilter Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eOEM Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eGrid Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eAnthony\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eApollo 4000\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e17565\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e7 full (FG-2417) + 1 partial (this grid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eAnthony\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eFlowmaster 4000\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e17565\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e7 full (FG-2417) + 1 partial (this grid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003e(This is not an exhaustive list.)\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePro Tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm which grid position needs replacement — the 13½\" partial grid (FG-2413, Anthony 17565) or the 17½\" full grid (\u003ca href=\"https:\/\/www.poolaroo.com\/products\/unicel-17-1-2-x-24-anthony-repl-fg-2417\"\u003eFG-2417\u003c\/a\u003e, Anthony 17564). A complete re-grid for the Apollo 4000 \/ Flowmaster 4000 uses seven (7) full grids and one (1) partial grid. Always turn off the pump and release all pressure from the filter tank via the air relief valve before opening the tank to replace grids. Inspect the tank o-ring and manifold assembly while the tank is open.\u003c\/p\u003e\n\u003cp class=\"sku-aliases\"\u003e\u003csmall\u003eAlso known as: FG2413\u003c\/small\u003e\u003c\/p\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":53851612348691,"sku":"FG-2413","price":32.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/FG-2413_1_2.jpg?v=1771870492","url":"https:\/\/poolaroo.com\/products\/unicel-fg-2413-partial-de-filter-grid-anthony-apollo-flowmaster-4000-48-sq-ft-13-24","provider":"Poolaroo","version":"1.0","type":"link"}