Bio Clear Single Sponge Filter provides two vital filtrations simultaneously in order to keep a clean and healthy aquarium environment.

Biological filtration - The colonization of beneficial bacteria in the many pores of the sponge biologically breaking down harmful substances to harmless substances, thereby keeping healthy aquarium environment. Mechanical filtration - The suction created through the air driven filter system traps aquarium visible debris in the pores of the sponge, thereby keeping the aquarium water crystal clear. See assembly and maintenance instructions on packaging.

Excellent for breeding/fry raising tanks!

Requires an airpump.