Pentair 27002-0300S Filter Module Replacement Sta-Rite System 2 Modular Media PLM300 Pool and Spa Cartridge Filter Filter module replacement Fits Pentair Sta-Rite System 2 modular media pool and spa cartridge filter model PLM300 300-square feet filtration area Measures 14-inch length by 32-1/2-inch height by 13-3/4-inch width