Aquarium Biochemical Cotton Filter Foam Fish Tank Sponge 50x50x2cm

Description

Color:Thickness 2cm 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. Quantity: 1 Pcs