{"product_id":"unicel-c-7485","title":"Unicel C-7485 Replacement Filter for Hayward CX591XRE | 87 Sq. Ft.","description":"\u003cdiv class=\"pz-pdp\"\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Unicel C-7485 is a pleated polyester cartridge filter element engineered for residential and light commercial pool filtration systems, delivering 87.0 sq ft of filtration area through a high-density Reemay nonwoven polyester media pack on a structural PVC core. Nominal filtration efficiency is rated at 15 microns under standard test conditions. Dimensional specifications: 7.0-inch OD, 3.0-inch ID, 19.0625-inch length; end caps are ABS injection-molded in a closed-bottom, open-top configuration for top-loading manifold filter housings. Rated flow capacity is 87 GPM at 15 PSI clean differential pressure, with a maximum continuous operating pressure of 25 PSI and maximum continuous service temperature of 104°F. End cap adhesive and media pack are UV-stabilized for resistance to chemical degradation under standard pool water chemistry conditions.\u003c\/p\u003e\n\u003cp\u003eService interval recommendation: residential installations — pressure-differential-based replacement triggered at ΔP ≥ 8–10 PSI above clean-filter operating baseline, or on an annual calendar cycle, whichever occurs first. Intermediate maintenance: rinse every 4–6 weeks; chemical soak (TSP or enzyme cleaner) every 3–6 months to remove oils and surfactant fouling that resist rinsing. For calcium scale accumulation, the element is compatible with muriatic acid soak at 1:20 dilution (20-minute maximum exposure); rinse thoroughly before reinstallation. Enzyme cleaner compatibility: unrestricted. Chlorine tolerance: continuous service at ≤ 10 ppm free available chlorine; bromine compatible at ≤ 30 ppm total. ABS end cap construction is compatible with standard acid wash procedures. Post-installation, verify operating pressure against clean baseline and log ΔP for service-cycle benchmarking. Standard Unicel 90-day manufacturer's defect warranty applies through authorized distribution.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eYour order includes the selected quantity of replacement pool filter cartridges. Each unit is individually inspected for quality before shipping.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":42315913134126,"sku":"UNFC7485","price":80.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0016\/3453\/3422\/files\/1_6ac09909-1709-472f-bbe8-09549c172336.png?v=1778968723","url":"https:\/\/poolzilla.com\/products\/unicel-c-7485","provider":"Poolzilla","version":"1.0","type":"link"}