Description
Bundle Includes: 4pcs sponge filter,4pcs sponge filter replacement Bundle Includes: 4pcs sponge filter,4pcs sponge filter replacement Sponge filter provide both mechanical and bio filtration, also, the air infusion chamber produces minute bubbles which increase the oxygen solubility Easy to set up& clean: simply install an airline into the unit and turn on the air pump, simply rinse and squeeze sponge in tank water
