Replacement Cartridge (single) for Predator, Clean and Clear 150 XLS-908 C-9415 FC-0687&nbsp;&nbsp;PAP150-4 Replacement Cartridge - Predator, Clean and Clear 150 Equivalent to: XLS-908 C-9415 FC-0687PAP150-4 Replaces Unicel C-9415 Replaces Pleatco PAP150-4 Replaces Filbur FC-0687"