Guardian Pool Spa Filter Replaces CX900-R 25230-0095S Pleatco PA90 Unicel C-8409 Filbur FC-1292 Hayward Sat rite Pentair LENGTH 17 3/8'' DIAMETER 8 15/16'' Open Top and Bottom Hole 4'' Pleatco: PA90 | Unicel: C-8409| Filbur: FC-1292 90 SQ FT Reemay Media 4 oz CX900-RE | 25230-0095S | C-900RE | Hayward Star-Clear Plus C-900