{"product_id":"unicelreplacementfiltercartridge35sf8l5ch35unf5ch35","title":"Unicel Replacement Filter Cartridge 35 sf, 8\" L | 5CH-35","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eUnicel 5CH-35 Spa Filter Cartridge – 35 Sq Ft (5-5\/8\" OD x 8\" Length, Handle Top, 1-1\/2\" MPT Bottom)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Unicel 5CH-35 is a replacement \u003cstrong\u003e35 sq ft\u003c\/strong\u003e pleated spa filter cartridge designed for select hot tub and spa\n    filtration systems that use a compact cartridge with a \u003cstrong\u003esemi-circular handle\u003c\/strong\u003e on top and a\n    \u003cstrong\u003e1-1\/2\" male pipe thread (MPT)\u003c\/strong\u003e connection on the bottom. Replacing a worn cartridge helps restore circulation,\n    improve water clarity, and reduce strain on spa pumps and heaters.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e35 sq ft\u003c\/strong\u003e filtration area for effective debris capture and steady spa flow\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop:\u003c\/strong\u003e semi-circular handle for easy removal\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e 1-1\/2\" \u003cstrong\u003eMPT threaded\u003c\/strong\u003e connection for secure fit in compatible canisters\u003c\/li\u003e\n    \u003cli\u003eDurable pleated media and rigid core built for repeated cleaning cycles\u003c\/li\u003e\n    \u003cli\u003eIdeal replacement when pleats are torn, flattened, or the cartridge stays restrictive after cleaning\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5CH-35\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiltration Area:\u003c\/strong\u003e 35 sq ft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 5-5\/8\" (5.625\")\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8\" (end cap to end cap)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop End Cap:\u003c\/strong\u003e Closed with semi-circular handle\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom End Cap:\u003c\/strong\u003e 1-1\/2\" male thread (MPT)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleat Count:\u003c\/strong\u003e 203\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e 3 oz pleated media\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eReplaces \/ Cross References\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleatco:\u003c\/strong\u003e PAS35P4\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleatco (alternate reference):\u003c\/strong\u003e PMAX50P4\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilbur:\u003c\/strong\u003e FC-0300\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDarlly:\u003c\/strong\u003e 50353\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eThis cartridge uses a \u003cstrong\u003ethreaded bottom\u003c\/strong\u003e (1-1\/2\" MPT). If your current filter has a slip fitting (non-threaded) bottom, you need a different model.\u003c\/li\u003e\n    \u003cli\u003eAlways confirm fit by matching the \u003cstrong\u003e5-5\/8\" OD\u003c\/strong\u003e, \u003cstrong\u003e8\" length\u003c\/strong\u003e, \u003cstrong\u003ehandle top\u003c\/strong\u003e, and \u003cstrong\u003e1-1\/2\" MPT\u003c\/strong\u003e bottom connection.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFlow is weak or the spa struggles to maintain circulation even after cleaning\u003c\/li\u003e\n    \u003cli\u003ePleats are torn, frayed, flattened, or separating from end caps\u003c\/li\u003e\n    \u003cli\u003eThe cartridge quickly plugs up again after rinsing\u003c\/li\u003e\n    \u003cli\u003eEnd caps or threaded connection are cracked\/warped and won’t seal properly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Unicel%205CH-35\"\u003eUnicel 5CH-35 (Shop \/ Options)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20cartridge%20filter%20cleaner\"\u003eSpa Cartridge Filter Cleaner\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=cartridge%20cleaning%20wand\"\u003eCartridge Cleaning Wand\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20pre-filter%20hose\"\u003eSpa Fill \/ Hose Pre-Filters\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20water%20test%20strips\"\u003eSpa Water Test Strips\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=silicone%20pool%20lube\"\u003eSilicone O-Ring Lubricant (Pool\/Spa)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRinse the cartridge regularly (often weekly with heavy use) to prevent restriction and keep flow strong.\u003c\/li\u003e\n    \u003cli\u003eDeep clean every 3–6 weeks with a cartridge cleaner to remove oils; rinse thoroughly before reinstalling.\u003c\/li\u003e\n    \u003cli\u003eIf scale is present, degrease first, then treat for scale (never reverse the order), and rinse completely.\u003c\/li\u003e\n    \u003cli\u003eRotating between two cartridges (one in use, one drying after cleaning) can extend overall filter life and improve filtration consistency.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797840285871,"sku":"5CH-35","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-35-sf-8-l-5ch-35-cartridges-1854634.jpg?v=1777068023","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge35sf8l5ch35unf5ch35","provider":"Freshized","version":"1.0","type":"link"}