Air Force Pro 40 - Voltage: 120 V, Frequency: 60Hz, Rated Pressure: 1.8 PSI, Airflow: 47 LPM, Amperage: 1.1 A. Commonly used to provide oxygen in aquariums, fish farms, hydroponic systems and more. Solid aluminum body for enhanced durability. Designed to minimize noise and vibration. Oil-less compressor allows for easy maintenance. No lubrication required. UL Listed. 3/4" outlet. 2 year warranty.