Pleatco Advanced ULTRA-A6 ( Pleatco PCC105-PAK4 Upgrade ) Pool Replacement Cartridge

Pleatco ULTRA-A6-PAK4 Replacement Cartridge for Pentair Clean and Clear Plus 420, 520  Ultra Pool Replacement Cartridges combine 3-in-1 performance technologies into one replacement cartridge.  PurePleat: helps avoid bunching and captures dirt in the outer edges for easier rinsing Point Bonded: fabric designed for uniformity and stability — plus excellent dirt capture Free Flow Core: creates maximum space for water to reach more of the fabric faster, reducing operating pressures on the system Specs:  Used With These Systems  Pentair Clean & Clear Plus 420, 520 Waterway Waterway Crystal Water 425 American Quantum CM & RPM 125/500 Direct Pool Filter Cartridge Replacement for: Pleatco ULTRA-A6 or Pleatco PCC105 (old version)  Unicel C-7471  Filbur FC-6470   Specifications:  Outer Diameter: 7in Length: 26in Top Hole(Inner Diameter) : 3in Bottom Hole(Inner Diameter): 3in