Practical Biochemical Cotton Filter Aquarium Fish Tank Pond Foam Sponge Filter Black Fish Tank Filters & Accessories
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
Very suitable for using in freshwater and marine water.
Can be cut any sizes as your needed.
Lightweight & softness design.
Excellent water permeability.
Cultivate the nitrifying bacteria for biological filtration.
Dense shape makes it effective to avoid residue.
Can be used again after cleaning
100% brand new & unused
Advise: Replace the bio-sponge three month, to ensure the filtrating effect as well as the growth of the nitrifying bacteria.
Package include:1x filter biochemical cotton