Pleatco Filter Cartridge 137 sq ft | Sta-Rite Posi-Flo II, PTM 135, 35 TX, 35 TXR | PSR137 Competition & Swimming Equipment measure the plastic frame end-to-end

measure the plastic frame end-to-end and exclude the top collar — compare to the 36" length of the FG-1006 to confirm the correct fit before ordering

SMARTZyme technology that is formulated for cold water application

Stain and Scale protects spas from the damaging effects of scale buildup and staining due to excessive calcium

This Waterway Skimmer Vacuum Plate is 6-3/4" in diameter and has a 90 degree elbow on top

Pleatco Filter Cartridge 137 sq ft | Sta-Rite Posi-Flo II, PTM 135, 35 TX, 35 TXR | PSR137 Competition & Swimming Equipment measure the plastic frame end-to-endThe Pleatco Advanced PSR137 is a 137 sq ft replacement filter cartridge engineered for precision fit in Sta Rite Posi Flo II cartridge pool filters. Built with Pleatco Point Bonded Pool Filtration Fabric, it delivers consistent pore structure throughout the cartridge's service life resisting channeling and maintaining filtration performance from the first cycle to the last. At 31 1 4" long and 8 11 16" in diameter, the PSR137 meets the exact