Big size Sponge filter fish tank XY-180 XY-380
Black Plastic Corner Bio Sponge Filter Breeding Shrimp Nano Fish Tank Aquarium Fish Cylinder filter XY-180 7.5cmX6.5cm $5.99 XY-380 12cmX11.5cm $8.99 Feature: The newly designed quarter-cylinder shape increases the surface area to get a better water and oxygen exchange rate. It also make the filter easy to hide in the corner of a tank. Sponge filters provide both mechanical and biological filtration. Simply install an airline into the unit and provide both aeration and filt