Biochemical Cotton Filter

• It is made of thick cotton fiber and is durable.
• Can be cut any sizes as you needed. 
• Lightweight and softness design. 
• Excellent water permeability. 
• Cultivate the nitrifying bacteria for biological filtration. 
• The dense shape makes it effective to avoid residue. 
• Can be used again after cleaning. 
• 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. 

Quantity: 1 Pack