Hydor Professional Black Coarse Sponge Filter Media – Filters Debris from Aquarium Water, Canister Media – Biological, Mechanical, Chemical Filtration - Produces Crystal Clear Water – 150 gph – 2 Pack

The Hydor Professional Black Coarse Sponge Filter Media is an efficient and effective way to filter debris from your aquarium water. This filter media pack includes two sponge filters that work well with your canister filter and offers biological, mechanical, and chemical filtration. The sponge filters measure 6" X 81/2" and are approximately an inch thick. Users have praised this product and report that it keeps their aquarium water crystal clear.