Cascade 150 & 200 Disposable Filter Cartridges

Replacement disposable floss/carbon filter cartridges for the Penn Plax Cascade CPF3 150 and CPF4 200 aquarium filters. Each cartridge contains 1.5 ounces of research grade activated carbon - more than any comparable size filter cartridge.

Each cartridge measures approximately 4" x 6-1/4". 3 cartridges per package.