SeaSide Aquatics Cooling Fan Systems

Features 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  Lower water temperature on hot days Reduce heat build-up in canopies and sumps Variety of uses and installations MODEL 2: $39.99 Dimension: 8" x 6.5"x 1.6" Air Flow: 31.57CFM from 2 fans Recommended for tanks up to 20 gallons MODEL 4: $59.99 Dimension: 14.5" x 6.5"x 1.6" Air Flow: 38.56CFM  from 4 fans Recommended for tanks up to 40 gallons MODEL 6: $79.99 Dimension: 16" x 4.75"x 1.34" Air Flow: 45.55CFM  from 6 fans Recommended for tanks up to 60 gallons