• 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.