{"product_id":"darlly-fc2386-spa-and-pool-replacement-filter-cartridge-prb17-5sf-jh-pair-40352-two-pack","title":"Darlly FC2386 Spa And Pool Replacement Filter Cartridge PRB17 5SF JH Pair 40352 Two Pack","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eKeep spa and pool water crystal clear with the Darlly FC-2386 replacement filter cartridge\u003c\/strong\u003e. Designed by Darlly Filtration, this 2-pack of high‑efficiency cartridges is built to replace worn or damaged filters in a wide range of spa and pool systems, delivering reliable filtration and easy maintenance for your hydrotherapy and recreational soak sessions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFiltration area:\u003c\/strong\u003e 35 sq ft of filtration media (Model DSF-35 skim filter) for strong debris capture and efficient flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMedia type:\u003c\/strong\u003e 3 oz filtration media designed to trap dirt, oils, and particulates without restricting water flow.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Top diameter 2-1\/8\", bottom diameter 4-15\/16\", overall length 4-5\/8\" — a compact, versatile footprint for many cartridge openings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e Sold as a pair, so you have a ready-to-use replacement or a spare on hand for quick swaps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel and compatibility:\u003c\/strong\u003e FC-2386 replacement cartridge compatible with a broad range of spa\/pool systems and commonly cross-referenced part numbers; designed to fit numerous spas and pools that use the DSF-35 style filter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Darlly replacement stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWide compatibility\u003c\/strong\u003e: Replaces a long list of part numbers and works with many popular spa brands and configurations, including After Hours Spas (Hydro), Apollo Spas, Aqua Tech Spas, Arizona Pacific (DFA), Beachcomber, Beachcraft Spas, Sundance Spas, Thermo Spas, Waterway systems, and more. If your current cartridge lists FC-2386 or PRB17.5SF-JH-PAIR, this is a direct, reliable upgrade.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid filtration with easy maintenance\u003c\/strong\u003e: The 35 sq ft filtration area, paired with standard 4-8 inch cartridge depth, delivers efficient debris capture while keeping water flow steady, so you spend less time backwashing and more time enjoying your spa.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCost-effective two-pack\u003c\/strong\u003e: A pair ensures you’re covered for routine replacements and can rotate or quickly swap dirty elements without downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt for performance\u003c\/strong\u003e: Durable construction from a trusted filtration brand helps maintain clean, clear water and extend the life of your spa’s circulation components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHome spa owners who want dependable, long-lasting filtration without frequent filter changes\u003c\/li\u003e \u003cli\u003eService technicians managing multi-brand spa installations requiring a versatile replacement cartridge\u003c\/li\u003e \u003cli\u003ePool\/spa setups employing skim-filter style cartridges in dual-filter configurations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRinse the new cartridges thoroughly before installation to remove any loose particulates.\u003c\/li\u003e \u003cli\u003eInspect the filter housing and seals during replacement; a clean, properly seated cartridge supports optimal flow and filtration.\u003c\/li\u003e \u003cli\u003eSchedule periodic cleanings or replacements based on usage, water chemistry, and debris load to maintain water quality and equipment longevity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade to the Darlly FC-2386 40352-2PK and enjoy consistent filtration, clear water, and peace of mind across your spa and pool system. \u003c\/p\u003e \u003cbr\u003e \u003ctable style=\"width: 100.091%;\" class=\"margintop4\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32.3632%;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.2699%;\"\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eAfter Hours Spas (Hydro), Apollo Spas, Aqua Tech Spas, Arizona Pacific (DFA), Beachcomber, Beachcraft Spas, Canspa Mfg. 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