Aquarium Fish Tank Foam Filter Sponge 12cm x 11.5cm Black

Biochemical Sponge Filter?provides both mechanical and biological filtration. Simply install an airline into the unit and provide both aeration and filtration for your fish. Easy to clean, simply rinse and squeeze sponge under cool running water. Effect Picture! Only Sponge Included Here!

Total Size: 12 x 11.5cm/ 4.7" x 4.5"(D*H); Material: Sponge Product Name: Aquarium Filter Sponge Net Weight: 26g Center Hole Dia: 30mm/ 1.2"