Penn Plax Cascade 150 + 200 Filter Cartridge Replacement

Keep you tank clean and clear with the Penn Plax Cascade Filter Cartridge. This Filter Cartridge firs 150 or 200 hang on power filter models CPF3 and CPF4. Activated Carbon removes odor and water discoloration, while the poly-fiber floss barrier screens out particulate matter and debris keeping your water clean clear and healthy.