Supa Under-Gravel Aquarium Filter 11” x 17”

Supa Under-Gravel Filter Kits are ideal filters for Tropical, Coldwater and Marine aquariums. Simply cover with up to 10cm of gravel and connect an air pump or powerhead (not included) to the uplift. All kits are 11″ wide and are available in 17″, 23″, 29″, 35″ and 47″ lengths.