Replacement Filter Media Cartridge with Sponge, Activated Carbon and Zeolite.
This Media is the Replacement for the Rectangular Tank19.31l Black.
Each box contains x3 replacement cartridges.
Simple to replace. These cartridges contain sponge, activated carbon
and zeolite for maintaining a balanced environment.
The Sponge removes food residues and other organic substances.
The Activated Carbon removes excess nitrogen, chlorides and remove odor.
The Zeolite removes ammonia.