Offer Constant, Stable Airflow: hygger 10 watt aquarium air pump with 2 ports pumps out constant airflow to dissolve sufficient oxygen for your aquarium up to 5.9 feet deep, can be used for fish tanks up to 600 gallons Adjustable Flow Control: build-in control knob, this fish air pump allows you to adjust the air flow to optimize the performance of your air pump drive equipment, appliance or ornaments (Please note: Air tubing not included) Run Two devices Simultaneously: Two outlets fit for 3/16’’ standard airline tubing, it can be running with 2 applications simultaneously so you never have to worry about your fish not getting sufficient air. Designed to work for marine and freshwater Low Noise Level: ABS thick shell and sealed inner baffle greatly reduce noise, while the soft rubber foot pad can effectively cushion the vibration produced by the motor Low Consumption and Easy-To-Use: This aerator measures 5.2 x 5.47 x 3.46 inches. Pressure: 0.05 MPa, Power: 10 Watt. Just connect air pump to air tubing to air stones, protein skimmers or sponge filters, plug it and you're ready to go hygger Adjustable 10 W Aquarium Air Pump