Corner Filter Air Driven Bio Sponge Up To 15 Gallons, 4-Pack

DescriptionCNZ XY-2008 Sponge Filters provide exceptional biological and mechanical filtration using the highest quality foam sponge and media available to provide sample surface area for beneficial Bio-filtration. A unique air dispersion design pulls water through at a higher rate for thorough filtrationExceptional foam sponge quality supports efficient bio-filtrationLarge surface area supports increased beneficial bio-filtration populationsHelps break down aquarium waste and remove suspended debrisIdeal mechanical and biological filter for small-to-medium tanksIdeal for:Nano aquariumsSmaller freshwater aquariumsBreeding tanksFry holding tanksQuarantine tanksSlow-moving fish like DiscusSaltwater polishingImportant: Requires an air pump airline tubing and/or powerhead for operation (sold separately).