Provide mechanical and biological filtration for your tank.

Air injection into the chamber creates tiny bubbles that promote the gas exchange process and increase dissolved oxygen levels in the water.

When you get the product,it is already installed,you just need to connect the unit to the air pump via tubing.

It provides aeration and filtration for your tank (air pump and air tube not included).

Size:

36cm x 12.5cm

What's in the box
1 x 2 Sponge Biological Filters For Aquariums (36cm)