Sponge filters are great at providing mechanical and bio filtration. The sponge is soft but very durable and it won't suck or harm any fish, shrimp, or snails. It also provides your aquarium with great oxygenation.
Filter size 8" H x 4.5" Diameter
Sponge size 4" H x 4.5" Diameter
For use in aquariums up to 50 gallons.
Included in your package - 1 Sponge filter w/ base