The AquaTop Red Devil Hang-On (RD-30G) Canister Filter is compact, quiet and energy efficient. The RD-30G has a maximum flow rate of 135 GPH and adjustable valves allowing you to customize the flow rate of your particular setup. Each unit efficiently filters fresh and saltwater aquariums up to 30 gallons and comes with a multi-stage filtration system equipped with 4 filtration media trays. All the necessary filtration media is included to help keep a healthy aquarium (carbon, filter pads & ceramic rings). For twice the amount of filtration the RD-30G is expandable with the optional Red Devil Hang-On (RD-PRE) Canister Filter.
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