{"product_id":"poolpure-filtro-spa-piscina-prb25-in-2-pack-compatible-unicel-c-4326-25-ft-50-micras-reforzado","title":"POOLPURE PRB25-IN Hot Tub Filter Cartridge 2-Pack — 25 sq ft, 50‑Micron Trilobal Fabric","description":"\u003cstrong\u003ePOOLPURE PRB25-IN is a two-pack replacement hot tub filter cartridge designed to match Unicel C-4326 specifications, delivering 25 sq.ft filtration with a 50-micron trilobal fabric for clearer, easier-to-maintain water.\u003c\/strong\u003e\n\n\u003cp\u003eWhether you own a spa, hot tub, or small pool, the POOLPURE PRB25-IN replacement cartridge offers a direct-fit, high-efficiency filtration option engineered to trap fine particles and simplify upkeep. Built from reinforced materials and advanced trilobal filtration fabric, this cartridge balances performance and longevity to reduce how often you swap filters and how much time you spend rinsing.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this POOLPURE cartridge improve water clarity?\u003c\/h3\u003e\n\u003cp\u003eThe PRB25-IN uses a multilayer trilobal polyester fabric and a 50-micron fine filtration layer to capture very small debris that typical cartridges miss. That combination increases dirt-holding capacity and helps maintain visibly clearer water between cleanings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e25 square feet of filtration area for broad particle capture\u003c\/li\u003e\n  \u003cli\u003e50-micron high-efficiency layer traps hair, sand, dust, and leaves\u003c\/li\u003e\n  \u003cli\u003eTrilobal fiber structure offers greater adsorption surface than standard fabrics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this filter compatible with my spa or hot tub model?\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE PRB25-IN is made to match common OEM dimensions like Unicel C-4326 and several related part numbers, so it fits many hot tubs and small pools that use these standard cartridges. Always check measurements and part references to confirm fit before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 13 5\/16\" and outside diameter: 5\" for direct-fit replacements\u003c\/li\u003e\n  \u003cli\u003eTop and bottom hole diameter: 2 1\/8\" to match standard housings\u003c\/li\u003e\n  \u003cli\u003eCompatible with Unicel C-4326, Filbur FC-2375\/FC-2370, and several OEM numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the POOLPURE PRB25-IN compared with standard cartridges?\u003c\/h3\u003e\n\u003cp\u003eThis cartridge is constructed from 4 oz. thickened polyester fabric, reinforced ABS end caps, and a strengthened integrated core to extend service life. Those heavy-duty components reduce deformation and breakdown, enabling longer intervals between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforced core and ABS end caps resist wear and water stresses\u003c\/li\u003e\n  \u003cli\u003eThickened fabric withstands repeated rinsing and handling\u003c\/li\u003e\n  \u003cli\u003eLasts approximately 30% longer than many standard cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance steps make cleaning easier and more effective?\u003c\/h3\u003e\n\u003cp\u003ePOOLPURE’s patented dirt-locking design releases trapped particles easily during rinsing, so routine maintenance is quicker and more thorough. Proper rinsing and occasional chemical soak keep the filter performing close to new while minimizing downtime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse with a hose at a 45-degree angle to dislodge debris\u003c\/li\u003e\n  \u003cli\u003ePeriodic filter-soak solution removes oils and fine residue\u003c\/li\u003e\n  \u003cli\u003eInspect end caps and pleats for damage; replace if torn or collapsed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this cartridge best suited for? If you own a spa, hot tub, or compact pool that uses Unicel C-4326 or equivalent cartridges and you want a cost-effective, longer-lasting replacement, the POOLPURE PRB25-IN two-pack is a practical choice. It’s aimed at homeowners and property managers who value clearer water, reduced maintenance time, and NSF\/ANSI 50-tested materials. Backed by industry affiliations and athlete-tested performance, this filter is a solid option for everyday use in residential and light-commercial aquatic settings.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this filter fit my Unicel C-4326 cartridge housing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — POOLPURE PRB25-IN matches C-4326 dimensions (13 5\/16\" length, 5\" OD, 2 1\/8\" holes) for direct-fit replacement in compatible housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I clean or replace these cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse monthly under normal use and replace every 1–2 seasons depending on use, water chemistry, and visible wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"POOLPURE","offers":[{"title":"Default Title","offer_id":56820239958356,"sku":"B07MTDDV6N","price":91.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/poolpure-prb25-in-frente-empaque.jpg?v=1786964656","url":"https:\/\/gardenluxe.co.uk\/products\/poolpure-filtro-spa-piscina-prb25-in-2-pack-compatible-unicel-c-4326-25-ft-50-micras-reforzado","provider":"Gardenluxe Uk","version":"1.0","type":"link"}