Mountain Wild Ultra-Quiet Air Pump Oxygenation Pump Aquarium, Fish Pond, and Seafood Oxygenation Pump Water Plant, Aquaculture, and Industrial Air Pump Product Model LP30 Power 30W Voltage: 220-240V Frequency: 50Hz Maximum Pressure: >0.032 Mpa Airflow Rate: 3000 L/Hr Dimensions: 21 x 17 x 15.3 cm Unique design with extremely low noise levels, providing a comfortable and quiet environment.