Superfish Bio Air Filter L substrate The individual cartridges are easy

The individual cartridges are easy to link together

Double Magnetic Connection System MCS between filter's head and filter's body

is CFC and HCFC-free (ozone-harmless)

internal filter designed to clean the top layer of water in your aquarium

Unlike solid gravel

Superfish Bio Air Filter L substrate The individual cartridges are easyAir driven sponge filter with the highest yield of aerobic bacteria, ensures clean and healthy aquarium water. Sponge filter with chambers for biological filter media, ideal for small aquariums and breeding tanks. Filter media space Integrated biological filter media compartment (filter media NOT included!) for advanced filter performance. Please note: An air pump is needed and NOT included! 27. 5 x 15 cm