Aquatop's FORZA Canister Filter Series delivers crystal clear aquarium water. These multistage filtration systems also include a patented revolutionary one pump EZ Prime button so your canister filter begins cycling with just one pump. In addition to biological, mechanical and chemical filtration, the Forza 5 handles up to 450 Gallons per Hour (GPH) and has an optional surface skimmer to remove oils and waste from the surface of your aquarium water.