Waterway 20sq Ft Filter Cartridge for 5" Pressure Filter 817-3640

Waterway 20sq Ft Filter Cartridge used on 5" Pressure Filter Can use this cartridge with Filter Assembly

Same as: C-2612 (Unicel), PRB12-4 (Pleatco) P-2612 (Proline)

Can use this cartridge with Filter Assembly: 510-3601LC