The easily operable tetra gc comfort floor cleaner has a quick start valve to filter the water free adjustment of the water flow and a fish guard to prevent fish or gravel from being sucked in the tetra gc comfort floor cleaner comes in several sizes for aquariums ranging from 20 to 400l capacity the innovative rotating head accommodates all movements of the floor cleaner without causing the pipe to crack the practical triangular suction pipe construction makes cleaning easy in all areas tha