Feature: - 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 and 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. - 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. Product Attributes: Material: Sponge Color: Balck Quantity: 1 Pcs Size(approx.) :50x50x2.5cm/19.69x19.69x0.98inch (LxWxH) Package Include: 1 x Biochemical Sponge Filter Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid. 2.Please allow 1-5mm differences due to manual measurement.

• Aquarium Biochemical Cotton Filter Foam Fish Tank Sponge 50x50x2.5cm
• Category : Pet Supplies, Fish, Aquarium Filters, Filter Media