Product name：Filter Bio-Sponge (45 x 45 x 2.5cm ) x3pc
1. The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.
2. Its multi-porous feature will avoid blockages and provide the largest adhesion area for bacteria.
3. The material has great thickness, it is durable.
4. 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.
17.7" x 17.7" x 0.98" / 45 x45 x2.5cm (LxWxH)
This product is 100% brand new without retail packaging.