Also replaces the following filters:Pleatco: PWW50P3 | Unicel: 6CH-940 | Filbur: FC-0359 Alternate Filter Names: 03FIL1400 | 25252 | 378902 | 817-0050 | 817-0500 | 17-175-1749 | 25252-800 | X268045 | PWW50EP1 | PWW50P3 EP1 | H2X | X265010 | PWW50 W/ PAD-3L AD | PWW50 W/ PAD-3L | PWW50-PAD3 | PWW50P3-Z