The Aqua top SSK-65 aquarium surface skimmer removes debris and oils from the surface of your aquarium water Line which promotes gaseous exchange and deeper light penetration within the aquarium. This surface skimmer is easy to install and its compact size and suction cup mounts make for flexible placement anywhere along the surface of the Aquarium. Along with the SSK-65s surface skimming ability, The unit also includes a small Sponge block for mechanical filtration and a quiet, energy-efficient submersible pump with adjustable flow. Flow rate: 65 GPH Power: 2. 5 watts Tank capacity: up to 100 gallons