{"product_id":"excelfu-spa-filter-2-pack-replaces-prb25sf-c-4405-fc-2387-50-sq-ft","title":"EXCELFU Spa Filter 2-Pack | Replaces PRB25SF, C-4405, FC-2387 | 50 Sq Ft","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade your hot tub water with the EXCELFU Spa Filter 2-Pack, designed to replace common models such as PRB25SF and Unicel C-4405. This pair gives you flexibility in your routine and supports clearer water by filtering a broad range of particulates as the water circulates.\u003c\/p\u003e\n\u003ch3\u003eWhat is included and what it replaces\u003c\/h3\u003e\n\u003cp\u003eThese filters are built as compatible replacements for several part numbers including PRB25SF-PAIR, Unicel C-4405, Filbur FC-2387, R172464, CMP 25392-000-100, and related references. They are not a direct one to one label for every spa, so it is best to verify fit with your model, but many Arizona Pacific, Rainbow, Sundance, Signature, and other brands list this style as a suitable option.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 6 5\/8 inches\u003c\/li\u003e\n  \u003cli\u003eTop hole: 2 1\/8 inches\u003c\/li\u003e\n  \u003cli\u003eBottom hole: 2 1\/8 inches\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: 5 inches\u003c\/li\u003e\n  \u003cli\u003eFiltration area: 50 sq ft\u003c\/li\u003e\n  \u003cli\u003eMaterial: Trilobal premium filtration fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium filtration performance\u003c\/h3\u003e\n\u003cp\u003eThe trilobal fabric is engineered to capture a broad spectrum of particles from fine silt to hair and leaves while supporting water flow. The result is a filtration surface that remains effective across many cycles, helping keep spa water appearing clear.\u003c\/p\u003e\n\u003ch3\u003eDurability for routine spa care\u003c\/h3\u003e\n\u003cp\u003eEnd caps are chlorine resistant and reinforced to withstand chemical exposure in hot water environments. The cartridge construction emphasizes longevity, so you may experience less frequent replacements compared with lower grade fabrics.\u003c\/p\u003e\n\u003ch3\u003eTwo pack convenience\u003c\/h3\u003e\n\u003cp\u003eWith two filters in each purchase you can rotate between cleanings and reduce downtime. When one is in use, the other can be prepared or cleaned, helping your spa stay ready for use.\u003c\/p\u003e\n\u003ch3\u003eSafety and materials\u003c\/h3\u003e\n\u003cp\u003eCrafted from lead free and BPA free materials, these filters aim to provide a safe, reliable filtering option for your family s spa routine.\u003c\/p\u003e\n\u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 6 5\/8 inches\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: 5 inches\u003c\/li\u003e\n  \u003cli\u003eTop opening: 2 1\/8 inches\u003c\/li\u003e\n  \u003cli\u003eBottom opening: 2 1\/8 inches\u003c\/li\u003e\n  \u003cli\u003eFiltration area: 50 sq ft\u003c\/li\u003e\n  \u003cli\u003eFabric: Trilobal filtration fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This replacement guide is informational; always verify compatibility with your spa model before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the EXCELFU Spa Filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This two-pack replaces several model numbers including PRB25SF, Unicel C-4405, Filbur FC-2387, R172464, CMP 25392-000-100, and more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the design support longer filter life?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Reinforced end caps resist chemical wear and the trilobal fabric sustains filtration efficiency, helping maintain steady flow between cleanings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EXCELFU","offers":[{"title":"Default Title","offer_id":48209702846708,"sku":"B0CKYXSQX9","price":42.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/excelfu-spa-filter-6-58-inch-length.jpg?v=1778430381","url":"https:\/\/www.cerapatiogarden.com\/products\/excelfu-spa-filter-2-pack-replaces-prb25sf-c-4405-fc-2387-50-sq-ft","provider":"Cera Garden","version":"1.0","type":"link"}