VEVOR Protein Skimmer for 20-30 Gal Saltwater Aquarium Hang On with DC Pump, Protein Skimmer with DC Pinwheel Pump, Adjustable Control, for 20-30 Gallon Small Saltwater Aquariums & Reef Tank Fish TankHelps Separate Organic Waste for Clear WaterPowerful Organic Waste RemovalSimple InstallationEasy MaintenanceMultiple Sizes AvailableLow NoiseMaximum Air Intake: 79.26 GPH / 300 L/H,Compatible Aquarium Rim Width: ＜ 0.59 in / 1.5 cm,Recommended Tank Size: 20-30 Gal / 80 L-120 L,Air Silencer Included: Yes,Pump Power: 5W,Item Model Number: WS-60,Maximum Flow Rate: 132.1 GPH / 500 L/H,Collection Cup Capacity: 6.09 oz / 180 ml,Mounting Type: Hang-On & Vertical,Maximum Tank Capacity: 30 Gal / 120 L,Main Material: Plastic & Acrylic