{"product_id":"unicelreplacementfiltercartridge80sfrecwarehousec5397unfc5397","title":"Unicel Replacement Filter Cartridge 80 sf | C-5397","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eUnicel C-5397 Replacement Spa Filter Cartridge – 35 Sq Ft (Sundance \/ Jacuzzi Style)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Unicel C-5397 is a premium \u003cstrong\u003e35 sq ft\u003c\/strong\u003e pleated spa filter cartridge commonly used in select\n    \u003cstrong\u003eSundance \/ Jacuzzi\u003c\/strong\u003e spa filtration systems. It’s designed to restore proper circulation and water clarity when your\n    existing cartridge is worn, torn, or no longer cleans effectively after cleaning cycles.\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 strong debris capture and steady spa circulation\u003c\/li\u003e\n    \u003cli\u003eDurable pleated media and rigid core built for repeated rinsing and deep-cleaning\u003c\/li\u003e\n    \u003cli\u003eCommon service replacement for spas that use this cartridge size and end-cap style\u003c\/li\u003e\n    \u003cli\u003eHelps reduce cloudiness and improves overall filtration efficiency when replaced on schedule\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 C-5397\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\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 13-5\/16\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop End Cap:\u003c\/strong\u003e Open\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTop Inside Diameter:\u003c\/strong\u003e 2-1\/8\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom End Cap:\u003c\/strong\u003e Open\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom Inside Diameter:\u003c\/strong\u003e 2-1\/8\"\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 PJW35\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilbur:\u003c\/strong\u003e FC-2976\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSundance \/ Jacuzzi:\u003c\/strong\u003e 6540-488, 6540-501 (verify by measurements and end-cap style)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOther common references:\u003c\/strong\u003e Darlly 50351, Aladdin 14511, Excel XLS-351, Spa-Daddy SD-00173\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePleats are torn, frayed, or separating from end caps\u003c\/li\u003e\n    \u003cli\u003eCartridge stays restrictive even after a deep clean and thorough rinse\u003c\/li\u003e\n    \u003cli\u003eWater stays cloudy despite balanced chemistry and routine maintenance\u003c\/li\u003e\n    \u003cli\u003eEnd caps are cracked\/warped or the core is collapsing\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%20C-5397\"\u003eUnicel C-5397 (Shop \/ Options)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pleatco%20PJW35\"\u003ePleatco PJW35 (Alternate)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Filbur%20FC-2976\"\u003eFilbur FC-2976 (Alternate)\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 Wands\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  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRinse filters frequently (weekly for heavy use) to prevent restriction and keep jets performing well.\u003c\/li\u003e\n    \u003cli\u003eDeep clean every 3–6 weeks using 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; rinse completely before returning to service.\u003c\/li\u003e\n    \u003cli\u003eRotating between two cartridges can extend filter life and improve overall filtration performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797840679087,"sku":"C-5397","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-80-sf-c-5397-cartridges-6447646.jpg?v=1777068031","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge80sfrecwarehousec5397unfc5397","provider":"Freshized","version":"1.0","type":"link"}