These are 50 Sq. Ft. Rainbow In Line Replacement Filter Cartridges **2 PACK**
Diameter: 4-15/16
Length: 13-5/16
Top: 2-1/8
Bottom: 2-1/8
SqFt: 50
Replaces;
Unicel: C-4950
Pleatco: PRB50IN
Filbur: FC-2390
AKA: 3301-2145, 303909, M-4336, 17-2380, Waterway 817-5000, 6540-471, 04-13068, 373045, C4950
This filter is commonly used in the following spas:
Aber Hot Tubs, Accent Spas, Acryx-Maax Spas, After Hours, Alps Spas, American Spas, Apollo Spas, Aqua Mystic, Aqua Tech Spas, Aquaform-Infinity Spa, Aquatic Industries, Arizona Pacific, Artesian Spas, Associated Leisure Products, Atlantic Pool, Baja Spas, Beachcomber, Beachcraft, Belize, Blue Falls, Blue Pacific, Bullfrog Spas, Cal Spas, Charisma Spas, Clipper Spas, Coast Mountain Spas (Canada), Coast Spas, Coleman Spas, Coral Spas, Crystal Water Spas (Canada), Custom Molded Products, Dakota Spas, Diamond Spas, Diamante Spas, Diamond Back Spas, Discovery Spas, DM Industries, Dynasty Spas, Elite Spas, F.P.I., Freedom Spas, GPM Industries, Gatsby Spas, Great Lakes, Great Northern, Grecian Spas, Haugh's, Haven Spas, Hawkeye Spas, Heldor Spas, Honey Tubs, Hydro Spa, Icon Spas, Image Spas, Image Spas, Infinity Spas, J.E.M. Spas, Leisure Bay Mfg., Leisure Bay Spas, Maax, Marathon Spas, Millennium Spas, Moonwater Spas, Morgan Spas, Niagara Whirlpool, Northwest Spas, Orca Bay Spas, Orion Spas, Pageant Spas, Paradise Spas, Phoenix Spas, Pro Form, QCA, Rainbow Plastics, Rec Warehouse, River Valley Spas, Rubadub Tub, Safari Spas, Savannah Spas, Seahorse Spas, Sequoia Design, Signature Spas, Sonoma Spas, Spa Crest, Starlight Spas, Statewood Spas, Streamline Spas, Sunbelt Spas, Suncountry Spas, Sundance Spas, Sunrise Spas, Sunset Spas, Superior Spas, Tiara Spas, Tiger River, US Spas, US Tooling & Spa, Vita Spas, Warm Springs Spas, Waterway Plastics, Weslo Spas, Wind River Spas