Seaside Aquatics Cooling Fan 2

No assembly required
Easy installation (Clamp mounting bracket) Clamp mounting bracket can fit over aquarium walls up to 1/2" thick
Extend Longevity of your lighting system
Low power consumption
Adjustable direction of air flow
Dimension: 8" x 6.5"x 1.6"
Air Flow: 31.57CFM
Recommended for tanks up to 20 gallons