AQUANEAT Aquarium Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank 4pcs (M Large up to 50Gal)

Key Feature: 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: simply install an airline into the unit and turn on the air pump Easy to clean: simply rinse and squeeze sponge in tank water Excellent for small size fish like dwarf cichlid, guppy, killifish etc., or for hatcheries, maternity tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter Package includes: 4 pcs of sponge filter