{"product_id":"unicelreplacementfiltercartridge30sfmicrofilterc7330unfc7330","title":"Unicel Replacement Filter Cartridge 30 sf Micro Filter | C-7330","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eUnicel C-7330 Spa Filter Cartridge – 30 Sq Ft (Open Top \u0026amp; Bottom, 7\" OD x 7-1\/4\" Length)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Unicel C-7330 is a replacement \u003cstrong\u003e30 sq ft\u003c\/strong\u003e pleated spa filter cartridge designed for select hot tub and spa\n    filtration systems that use a \u003cstrong\u003eshort, wide cartridge\u003c\/strong\u003e with \u003cstrong\u003eopen ends\u003c\/strong\u003e. It captures fine debris to help keep\n    water clear and supports strong flow when cleaned regularly.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e30 sq ft\u003c\/strong\u003e filtration area for effective debris capture and steady circulation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOpen top \u0026amp; open bottom\u003c\/strong\u003e design for compatible standpipe\/canister setups\u003c\/li\u003e\n    \u003cli\u003eDurable pleated media and rigid core built for repeated cleanings\u003c\/li\u003e\n    \u003cli\u003eCommon replacement when the original cartridge is torn, flattened, or won’t clean up well\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-7330\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiltration Area:\u003c\/strong\u003e 30 sq ft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 7\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7-1\/4\"\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 4-1\/8\" (open with step)\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 4-1\/8\" (open with step)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePleat Count (typical):\u003c\/strong\u003e 265\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 PMA30-2002-R\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilbur:\u003c\/strong\u003e FC-1003\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Application Reference:\u003c\/strong\u003e Master Spas “EP-Cylinder” \/ 30 sq ft cylinder (older style) (verify by measurements)\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 or pressure\/flow issues continue after thorough cleaning\u003c\/li\u003e\n    \u003cli\u003eEnd caps are cracked\/warped or the core is collapsing\u003c\/li\u003e\n    \u003cli\u003eWater stays dull\/cloudy despite balanced chemistry and routine maintenance\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=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    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20filter%20bag%20skimmer\"\u003eFine Debris Pre-Filters (Skimmer Socks \/ Filter Bags)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=spa%20scale%20remover\"\u003eSpa Scale Remover (for calcium buildup)\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 on a regular schedule (often weekly for heavy use) to prevent restriction and keep jets flowing strong.\u003c\/li\u003e\n    \u003cli\u003eDeep clean every 3–6 weeks (or as needed) with a cartridge cleaner to remove oils and fine debris; rinse thoroughly before reinstalling.\u003c\/li\u003e\n    \u003cli\u003eIf scale is present, degrease first, then use a scale remover; rinse completely before returning the filter to service.\u003c\/li\u003e\n    \u003cli\u003eConsider rotating between two cartridges (one in use, one drying after cleaning) to extend service life and improve performance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46797840777391,"sku":"C-7330","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/unicel-replacement-filter-cartridge-30-sf-micro-filter-c-7330-cartridges-5349751.jpg?v=1777068032","url":"https:\/\/freshized.com\/products\/unicelreplacementfiltercartridge30sfmicrofilterc7330unfc7330","provider":"Freshized","version":"1.0","type":"link"}