Pleatco PFG2448 Cartridge/Grid Replacement for American, Hayward, Jacuzzi, Jandy, Pac-Fab, Sta-Rite, Waterway/Universal Grid Pleatco Cartridge Filter replacement Cartridge/Grid American, Hayward, Jacuzzi, Jandy, Pac-Fab, Sta-Rite, Waterway/"Universal" grid Unicel: FG-1004; FILBUR: FC-9340