{"product_id":"darlly-spa-and-pool-replacement-filter-cartridge-fc-3960l-80651-c-8465-compatible-with-16506-31114-46203","title":"Darlly Spa And Pool Replacement Filter Cartridge FC-3960L 80651 C-8465 Compatible With 16506 31114 46203","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Darlly Spa\/Pool Replacement Filter Cartridge 80651 (FC-3960L, C-8465) — a purpose-built replacement that restores crystal-clear water and efficient flow for your hot tub or pool. Designed to work with a broad range of Watkins-made systems, it delivers reliable filtration without the guesswork, so you can spend more time enjoying your spa and less time worrying about maintenance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplaces: 16506, 31114, 46203, 4902-097, 645544039606, 71827, 80651, AK-7007, C-8465, FC-3960, FC-3960-HB, P-8465, PC-3960, PLE-051-9188, PLE-051-9255, PLE-051-9674, PLE-051-9677, PWK65, SC713, UNIC8465\u003c\/li\u003e \u003cli\u003eApplications: Hot Spring Spas (Watkins) and Tiger River Spas (Watkins); compatibility extends across Watkins Mfg. Hot Spring and Tiger River models\u003c\/li\u003e \u003cli\u003eTop diameter and bottom design: Open 3\" top and 3\" bottom with an 8-1\/2\" outer diameter\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLength: 10-1\/2\"\u003c\/li\u003e \u003cli\u003eMedia type: 3 oz filtration media\u003c\/li\u003e \u003cli\u003eModel coverage: All Models, plus specific fit for Grandee, Classic, and Sovereign series\u003c\/li\u003e \u003cli\u003eFilter area: 65 sq ft of filtration capability\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the 80651 cartridge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReliable compatibility with popular spa brands under the Watkins umbrella, ensuring a straightforward replacement that maintains your system’s flow and clarity\u003c\/li\u003e \u003cli\u003eDesigned for efficient filtration with 65 sq ft of media area, balancing water quality and system pressure for a comfortable, inviting spa experience\u003c\/li\u003e \u003cli\u003eOpen-top and open-bottom design promotes thorough water contact with the media, helping capture debris and particulates more effectively\u003c\/li\u003e \u003cli\u003eCost-effective, dependable alternative to OEM filters, with a broad replacement footprint that reduces the need to stock multiple cartridge sizes\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use and maintenance tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInstall in the correct orientation to ensure optimal flow and filtration.\u003c\/li\u003e \u003cli\u003eInspect the cartridge for wear or visible clogging; if flow slows noticeably, it’s time to rinse or replace.\u003c\/li\u003e \u003cli\u003eRinse the cartridge with a gentle spray between servicing cycles to remove debris without damaging the media.\u003c\/li\u003e \u003cli\u003eFollow your spa manufacturer’s guidance on replacement intervals; this cartridge is sized for typical 65 sq ft filtration needs, making it a practical long-term option for many Hot Spring and Tiger River setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho this is ideal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eHomeowners with Hot Spring Spas or Tiger River Spas seeking a reliable, widely compatible replacement cartridge\u003c\/li\u003e \u003cli\u003eSpas that require a 3\" top and bottom open design with a 8-1\/2\" diameter and 10-1\/2\" length\u003c\/li\u003e \u003cli\u003eBuyers looking for an economical, durable filter that fits a broad range of model numbers while maintaining strong filtration performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep your spa water pristine and your circulation smooth with the Darlly 80651 replacement cartridge — a durable, compatible, and performance-focused filtration solution built to support enjoyable, low-maintenance spa days.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"margintop4\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeName\"\u003eApplication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl0_labelAttributeValue\"\u003eHot Spring Spas (Watkins), Tiger River Spas (Watkins), Watkins Mfg\/Hot Spring Spas, Watkins Mfg\/Tiger River Spas\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeName\"\u003eBottom Physical Dimension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl1_labelAttributeValue\"\u003e3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeName\"\u003eBottom Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl2_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeName\"\u003eDiameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl3_labelAttributeValue\"\u003e8-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeName\"\u003eLength\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl4_labelAttributeValue\"\u003e10-1\/2\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeName\"\u003eMedia Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl5_labelAttributeValue\"\u003e3oz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeName\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl6_labelAttributeValue\"\u003eAll Models, Grandee, Classic, Sovereign\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeName\"\u003eSquare Footage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl7_labelAttributeValue\"\u003e65 sq ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeName\"\u003eTop Physical Dimension\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl8_labelAttributeValue\"\u003e3\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl9_labelAttributeName\"\u003eTop Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan id=\"_ctl0__ctl0_listviewSpecificationAttributes_ctrl9_labelAttributeValue\"\u003eOpen\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Darlly","offers":[{"title":"Default Title","offer_id":41944653529130,"sku":"80651","price":44.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4014\/1354\/files\/80651.jpg?v=1769976174","url":"https:\/\/bathparts.com\/products\/darlly-spa-and-pool-replacement-filter-cartridge-fc-3960l-80651-c-8465-compatible-with-16506-31114-46203","provider":"Bath \u0026 Spa Superstore","version":"1.0","type":"link"}