Boyu Aquarium Cooling Fan ( 4 head ) 

Chill your tank with this aquarium fan, which is quiet in operation with good blowing power. Low power consumption make it an idea equipment to keep your tank water cool during the hot / warm month. Come with securing clip for you to install the tank at every angle of the tank itself. 

Specification

Volt ; 12 VDC 
Power sonusmption ; 5W
Size; 291 x 41 x 118 mm