The Biological Filter System is to convert toxic ammonia produced by living aquatic animals and the decay of proteins, into less-harmful nitrates through the cultivation of nitrifying bacteria in the aquarium system.

JEBO AP260FC Biological Internal Filter. The Biological Filter System is to convert toxic ammonia produced by living aquatic animals and the decay of proteins, into less-harmful nitrates through the cultivation of nitrifying bacteria in the aquarium system.

The Internal Filter is capable of mechanical, physical and chemical filtration.