The Grreat Choice Internal Filter is designed specifically for use with Grreat Choice Internal Power Filter, this cartridge uses activated carbon to remove chemical impurities from the water. Replacing the cartridge is quick and easy. Only at PetSmart.
Features: Removes chemical impurities
Includes: 3 Pk or 6 Pk – Replacement cartridges
Water Type: Freshwater and saltwater
Filter Type: Internal
Dimensions: 3.5"L x 6.4"H ; .25 lbs & 40lbs