Aquatop CAF-40 Internal Sponge Filter

With an airlift system, super biochemical sponge filter features silent operation and has an excellent filtering effect while oxygenating the water. The specially developed foam materials support the colonization of bacteria, allowing for mechanical and biological filtration, which will break down harmful ammonia and nitrite material resulting in a cleaner living environment for your fish. Particularly useful as a breeding filter or as a secondary filter. It will reduce noise from the air pump and consumes low wattage. Most fit external or top filters as a pre-filtration unit. No dead spots in cylinder foam offering full filtration.Features:For freshwater and saltwater aquariumsInstall with either an air pump or a powerheadProvides reliable filtration in fry aquariums and quarantine systemsAdd extra biological filtration in heavily stocked aquariumsModels designed for virtually any size systemSpecifications:Sponge FilterWeightedUp to 40 Gallons40 Pores/Linear InchBase Diameter: 3.25 inchesSponge Diameter: 5.00 inchesUplift Tube Height from Top of Filter: 3.00 inchesSponge Height, Base to Top: 3.50 inchesFull height w/ Sponge and Uplift Tube: 6.75 inchesUplift I/D: 0.75 inches