CNZ HW-302 filtration system is ideal for fresh and saltwater aquariums between 30-60 gallons. The HW-302 comes all the necessary plumbing for installation and includes three large filtration media compartments allowing you to add the filtration media of your choice. The filtration media trays offer a fully customizable filtration system to suit your specific aquatic needs. The HW-302 includes three fine filter pads (white) and a single coarse filter sponge (blue) for enhanced Mechanical Filtration. With the addition of Premium Activated Carbon, Ceramic Rings, or Bio-Balls, you'll achieve superior filtration and crystal clear aquarium water. The HW-302 Canister Filter has a convenient Prime Pump that eliminates the need for manual siphoning! Say goodbye to a mouth full of aquarium water. Suitable for freshwater and marine Dimension: 9" L X 9" W X 15.5" H Flow rate: 265gph (1000 L/H) Pump Power: 18w, Ideal for 30-60 gallons Media includes: carbon, ceramic ring and bio ball