Length: 9-1/4"Diameter: 5"Top opening: 2-1/8" Bottom opening: 2-1/8"   Replaces popular brand part numbers: Unicel C-4335RA Pleatco PRB35-IN-M  Filbur FC-2385A Features: 35 sq. ft. of high-quality filtration fabric Exclusive Expansive Flow™ core Alternative filter names: 03FIL1300, 17-2482, 25393, 303557, 817-3501, R173432, 17-3432, R173431, 17-3431, FL1008, 212320, QUEST, Rainbow Dynamic 35, 4900-35, 17-175-1607, 17-175-1608, 6000-136, APCC7501, Hydro Spa 5460, 090164824109, SD-01243, PRB 35IN3, PRB35-IN-3, DSF-35, PRB35-IN-Z  PRB35-IN, PDC520-AFS Used in pools/spas made by: Aber Hot Tub, After Hours Spas, Barefoot Spas, Belize Spas, Bullfrog Spas, Clearwater Spas, Coast Mountain Spas, Crystal Water Spas, Custom Molded Products, DM Industries, Down East, Four Winds, Gpm Industries, Great Lake Spas, Great Lakes Home and Resort, Gulf Coast Spas, Hawkeye Spas, Hydro Pool Industries, Hydro Spa, Infinity Spas - TN, Leisure Bay Spas, Maax Spas (Canada), Maax Spas of AZ, Moose Mountain Spas, Orca Bay Spas, Pacific Spas, Pentair Pool Products, Phoenix Spas, Premium Leisure, Rainbow Plastics, Rec Warehouse, Regency Spas, Royal Spas, Serenity Spas, Sun Ray Spas, Sundance Spas, Vita Spas, Waterway Plastics, Wind River Spas & other manufacturers   By Guardian Filtration Products • 409-219-M