• Diameter: 4 15/16-inch; length: 9 1/4-inch

• Top end cap: open, 2-1/8-inch inner diameter; bottom end cap: open, 2-1/8-inch inner diameter

• Pleat count: 219; filter media: 3-ounce reemay 2033; filter area: 35 square feet

• Get more efficient filtration and better water clarity with Unicel filters

• Longer time between cleanings; meets oem specifications

35 Square Foot Rainbow, Waterway Plastics, Custom Molded Products. Replacement for: Bullfrog Spas; Hydro Pool Industries; Moose Mountain Spas (Canada); Pentair Pool Prod R173431; Pentair Pool Prod - Rainbow Plastics 17-2482; Phoenix Spas; Rec Warehouse 303557; Waterway Plastics 817-3501; Aber Hot Tubs (Canada) 03FIL1300; Custom Molded Products 25393; Custom Molded Products 25393; Custom Molded Products 25393; Hydro Spa; Orca Bay Spas 3501; Coast Mountain Spas (Canada); Crystal Waters Spas (Canada); Sun Ray Spas (Canada); Great Lakes Home & Resort; Belize Spas; Clearwater Spas; Gulf Coast Spas; Sun Coast Spas; Columbia Spas; Infinity Spas - TN; Wind River Spas; Hawkeye Spas