Pentair Filter Cartridge Replacement 200 sf | R173217Pentair R173217 Replacement Filter Cartridge 200 sq ft Part # R173217 a high capacity replacement cartridge designed for Pentair and Sta Rite filter systems that use a 200 sq ft element. This cartridge restores optimal filtration performance and helps maintain clean, clear pool water. Compatible Filter Models Pentair Clean & Clear 200 Sta Rite Posi Clean and compatible systems requiring a 200 sq ft cartridge Key Features 200 sq ft pleated polyester