{"product_id":"unicel-c-7451-caldera-spa-filter","title":"Unicel C-7451 Caldera Spa Filter – 50 Sq Ft | FC-3084 \u0026 PCD50","description":"\u003ch2\u003eUnicel C-7451 Replacement Spa Filter Cartridge — 50 Sq. Ft.\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUnicel C-7451\u003c\/strong\u003e is a premium 50-square-foot replacement filter cartridge designed for select \u003cstrong\u003eCaldera Spas\u003c\/strong\u003e that use this original-style filter configuration. Built with durable 3 oz. Reemay 2033 polyester filtration media and 200 pleats, it helps capture dirt, body oils, debris, and other contaminants while maintaining proper water flow through your spa’s filtration system.\u003c\/p\u003e\n\n\u003cp\u003eCustomers searching for Filbur \u003cstrong\u003eFC-3084\u003c\/strong\u003e, Pleatco \u003cstrong\u003ePCD50\u003c\/strong\u003e, Caldera OEM \u003cstrong\u003e33016 \/ 033016\u003c\/strong\u003e, Darlly \u003cstrong\u003e70511\u003c\/strong\u003e, or Aladdin \u003cstrong\u003e15034\u003c\/strong\u003e may find this to be the compatible replacement.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Unicel C-7451 replacement spa filter\u003c\/li\u003e\n  \u003cli\u003e50 sq. ft. filtration area\u003c\/li\u003e\n  \u003cli\u003e200 pleats for thorough water filtration\u003c\/li\u003e\n  \u003cli\u003e3 oz. Reemay 2033 polyester filtration media\u003c\/li\u003e\n  \u003cli\u003e7\" outside diameter\u003c\/li\u003e\n  \u003cli\u003e10-3\/4\" length\u003c\/li\u003e\n  \u003cli\u003eSemi-circular top handle for easy, tool-free removal\u003c\/li\u003e\n  \u003cli\u003e2\" male slip fitting bottom connection\u003c\/li\u003e\n  \u003cli\u003eDesigned for select Caldera Spa filter applications\u003c\/li\u003e\n  \u003cli\u003eHelps maintain efficient spa water flow\u003c\/li\u003e\n  \u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Unicel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C-7451\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Area:\u003c\/strong\u003e 50 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 10-3\/4\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePleat Count:\u003c\/strong\u003e 200\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Media:\u003c\/strong\u003e 3 oz. Reemay 2033 polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop:\u003c\/strong\u003e Semi-circular handle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e 2\" male slip fitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCross-Reference \/ Replacement Part Numbers\u003c\/h3\u003e\n\u003cp\u003eCustomers searching for any of the following part numbers may find this to be a compatible replacement:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnicel:\u003c\/strong\u003e C-7451\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilbur:\u003c\/strong\u003e FC-3084\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePleatco:\u003c\/strong\u003e PCD50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaldera OEM:\u003c\/strong\u003e 33016 | 033016\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDarlly:\u003c\/strong\u003e 70511\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAladdin:\u003c\/strong\u003e 15034\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Unicel C-7451 is designed for select Caldera Spas using this original-style 50-square-foot filter configuration with a \u003cstrong\u003e2-inch male slip fitting\u003c\/strong\u003e on the bottom. This is not the newer open-bottom Caldera filter configuration.\u003c\/p\u003e\n\u003cp\u003eSpa manufacturers can change filter configurations between models and production years. Before ordering, please compare your existing filter’s part number, outside diameter (7\"), overall length (10-3\/4\"), handle style (semi-circular), and bottom connection (2\" male slip fitting) to confirm this is the correct replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Red Rock Spas?\u003c\/h3\u003e\n\u003cp\u003eRed Rock Spas specializes in hot tubs, spa filters, replacement parts, and water-care products. If you’re unsure whether the \u003cstrong\u003eUnicel C-7451\u003c\/strong\u003e is the right filter for your Caldera Spa, our team can help you identify the correct replacement — just reach out before ordering.\u003c\/p\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":46340633100437,"sku":"41","price":69.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/2142\/2741\/files\/unicel-c-7451-caldera-spa-filter-main.jpg?v=1788382939","url":"https:\/\/shopredrockspas.com\/products\/unicel-c-7451-caldera-spa-filter","provider":"Red Rock Spas","version":"1.0","type":"link"}