Aquarium 8D Filter Sponge / Aquarium Filter Cotton / Fish Tank Filter Wool For Top Filter

Specification: Model: 8D No Glue Aquarium Filter Sponge Size: 30x11x4cm Package included: 1 X Aquarium Filter Sponge Feature: 1, 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. 2, The material has great thickness, it is durable.Can be used again after cleaning. 3, Can be cut any sizes as your needed. 4, Cultivate the nitrifying bacteria for biological filtration. 5, Dense shape makes it effective to avoid residue. #AquariumAccessories #FilterSponge #FilterCotton #FishTank #Aquarium #AquariumFilter #FishTankFilter