AQUANEAT Aquarium Activated Carbon Filter Media Pad for Fish Tank Pond Canister Filter

Activated carbon impregnated filter pad effectively traps large particles, removes discoloration, odor, pollutants, and harmful chemical to keep your aquarium crystal clear DIY Cut-to-fit filter pad, good to use in freshwater and saltwater aquariums Works with all filters: canister, hang-on filter, wet/dry, pond filters, DIY filters  To ensure optimum performance, replace the filter pad every three to four weeks depending on waste load of the fish tank Includes: 1 pack of filter pad. Each is of 3/8" to 1/2" thick ,thickness measured dry before packing and varies by batch