Feature:

• The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.
• Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria. 
• The material has great thickness, it is durable.
• It is made of high quality materials to justify its durable. Meanwhile, it also can be cut into different sizes as you need. It is the best biological filter material
•  Advise: Replace the bio-sponge three month, to ensure the filtrating effect as well as the growth of the nitrifying bacteria.