• 2-stage speed control
​• Energy saving
​• Powerful output
~ Elegant and stylish deisgn. 
Compact size for space saving, easy in installation.
~ Efficiently cool down water temperature up to 2~4 ℃
~ Lower down chances of protein floats emerging on water surface. 
~ Special design allows fan motor to stay away from tank surface, no more short circuit and danger concern.
~ DC 12V output assures safety for operation. 
How to use: Hang the fan outside the wall of tank; fasten it tightly with screw.