Description
Independent Supplier & Replacement Part Notice
We are an independent parts supplier and are not affiliated with, sponsored by, or endorsed by Watkins, Hot Spring, Caldera, Tiger River, or Solana. These names and their part numbers are used only to identify compatibility.
We offer replacement parts as alternatives to spa-branded parts. When this listing identifies a part as the same original-manufacturer replacement, it is supplied under the component manufacturer’s branding and part number, which may differ from the Watkins or spa-brand label and number. Other compatible alternatives are identified in the individual product listing. Please review the listed specifications, fitment details, and any installation differences before ordering.
Universal 50 square foot replacement filter cartridge designed to fit approximately 70% of hot tubs and spas on the market. Measures 13-5/16" in length with a 4-15/16" outside diameter. Features open-style dual 2-1/8" openings at both top and bottom for optimal water flow.
Please verify dimensions match your existing filter before ordering. Also available in 25sqft capacity for smaller applications. This widely-compatible cartridge works with numerous spa and hot tub manufacturers including: Accent, Maax, Apollo, Aqua Mystic, Arctic, Artesian, Beachcomber, Blue Falls, Cal Spa, Coast Mountain, Coleman, Coast, Crystal Waters, Coral, Custom Molded Products, Dakota, Diamond, Dynasty, Emerald, Garden Leisure, Gatsby, GPM, Great Lakes, Great Northern Engineering, Hawkeye, H2O, Haugh's, Hot Spot, Hydrospa, Hydro Spa, Hydrospas, Watkins, Honey Tubs, Infinity, Islander, Jacuzzi Premium, Key, Keys, Keys Backyard, Key Backyard, Leisure Bay, Rec Warehouse, Lifestyle, Maax, Coleman, Nordic, Orca, Pentair, Pac-Fab, Rainbow, Rainbow Dynamic, QCA, River Valley, Rubadub, Safari, Signature, Spa Crest, Sparest, Spa Manufacturers, Spa Manufacturers Inc., Streamline, Sun Ray, Four Winds, Sun Ray, Tatum, Thermospa, Thermospas, US Spas, Viking, Destiny River, Water's Edge, Waterway, Top Load, Top-Load.
Cross-reference part numbers: 3005845, 3301-2242, 25392, FC-1910, FC-2375, C-4326, PLE-051-9174, PLE-051-9395, UNIC4625, 46198, 4900-40, 2501, 17-2327, 17-4821, PRB25-IN, 645544023759, 817-2500, 33521
| Diameter | 4-15/16" |
| Length | 13-5/16" |
| Top Style | Open |
| Top Physical Dimension | 2-1/8" |
