Fluval Carbon Foam for FX2/FX4/FX5/FX6 Canister Filter, 2-Pack

Designed specifically for FX Series canister filters, the carbon impregnated foam pad pulls double duty as both an effective mechanical and chemical media.. Compatibility. FX2/FX4/FX5/FX6 Canister Filter. Features. Mechanical/Chemical filter media. Pad traps small particles and debris. Carbon helps remove odors, discolorations, heavy metals and organic contaminants. For use in freshwater and saltwater aquariums. Convenient 2-pack format