Set of four Filbur FC-1260 Filter Cartridges for Hayward C-570, Pack of 4 Cartridges (FC-6440) Replaces Pleatco PA75SV Replaces Unicel C-7477 Replaces Filbur FC-1260 Compatible with Hayward C-570 | SwimClear C3000 | Super-Star-Clear C3000 | C3000S (stainless steel) | American Commander 150 | Sta-Rite PRC 75