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
Safe for fish: 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
Specification:
Recommend tank size: up to 40 gallon
Sponge Dimension: 2"D X 4.3"H
Package includes:
1 double sponge filter with 2 containers
1 bag of ceramic media balls
2 spare sponges (packed in the 2 containers) ,total 4 sponges