3 Pack Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Small up to 10Gal)

Why it is useful

Sponge filter provide both mechanical and bio filtration, also, the air infusion chamber produces minute bubbles which increase the oxygen solubility

Recommend tank size: up to 10 gallon, excellent for small size fish like betta, dwarf cichlid, guppy, killifish etc., or for hatcheries, maternity tanks, nano tanks and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter