B07GSKV92J Tier1 Replacement for PTS35 Thermo Spas FL1009, Thermo Spas Healing Spa, PTS35, Filbur FC-0187, Unicel C-4324 Filter Cartridge (4-Pack)

Make sure this fitsby entering your model number. AFFORDABLE REPLACEMENT: Replaces cartridges PTS35, Filbur FC-0187, Uncel C-4324. INCREDIBLY SIMPLE TO USE: Easily replaces the old filter cartridge with 35 Sq. ft. media EXTREMELY DURABLE: Measures 9 3/4 inches (length) x 4 3/4 inches (outside diameter); Top Handle and Bottom 1 7/8 Inch Diameter FITS THE MODEL NUMBERS: Thermo Spas Healing Spa. PLEATED FILTER DESIGN: Pleated filters maximize the contact between contaminants and filter media, allowing for greater capacity and contaminant reduction.