Pleatco Advanced ULTRA-A1 ( PA106 Upgrade) Ultra Pool Replacement Cartridge

Pleatco ULTRA-A1 Pool Filter Cartridge 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 Purex CF 105, open w/molded gasket Hayward SwimClear C4030, C4025, C4020, C4520 Hayward Super-Star-Clear C4500, C4000, C4000S (stainless steel) Direct Pool Filter Cartridge Replacement for: Pleatco PA100N , PA106 , PA112 Unicel C-7487 , C-7488 , C-7489  Filbur FC-1270 , FC-1226 , FC-1275  Specifications:  Outer Diameter: 7in Length: 25 1/2in Top Hole(Inner Diameter) : 3in Bottom Hole(Inner Diameter): 3in