{"product_id":"hayward-star-clear-ii-filter-head-o-ring-cx800f","title":"Hayward Filter Head O-Ring for Star-Clear II Cartridge Filters | CX800F","description":"\u003cp\u003eThe Hayward Filter Head O-Ring (CX800F) is the OEM replacement sealing O-ring for the filter head on Hayward Star-Clear II cartridge filters.\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0; color: #856404;\"\u003e\u003cstrong\u003eIMPORTANT: LUBRICATION REQUIRED — SOLD SEPARATELY\u003c\/strong\u003e\u003cbr\u003eAlways lubricate this O-ring with a silicone-based lubricant before installation. Browse our \u003ca href=\"https:\/\/poolaroo.com\/collections\/pool-plumbing-lubricants\"\u003ePool Plumbing Lubricants\u003c\/a\u003e for a compatible silicone lubricant.\u003c\/p\u003e\n\n\u003cp\u003eThis O-ring seals the filter head assembly on the Star-Clear II cartridge filter, maintaining a watertight closure at the head-to-body joint and preventing pressurised water from bypassing the filter element.\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\u003eHayward Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eCX800F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e610377005708\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePoolaroo Pro Tip\u003c\/h3\u003e\n\u003cp\u003eBefore fitting this O-ring, inspect the filter head seating groove for any debris, cracking, or deformation. A clean, undamaged groove is essential for a leak-free seal. Apply a thin, even coat of a silicone-based lubricant — avoid petroleum-based products, which will cause the rubber to swell and fail prematurely. Find a compatible lubricant in our \u003ca href=\"https:\/\/poolaroo.com\/collections\/pool-plumbing-lubricants\"\u003ePool Plumbing Lubricants\u003c\/a\u003e collection.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-06-22 --\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":51774167777555,"sku":"CX800F","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/HPPCX800F_0.jpg?v=1747701870","url":"https:\/\/poolaroo.com\/products\/hayward-star-clear-ii-filter-head-o-ring-cx800f","provider":"Poolaroo","version":"1.0","type":"link"}