Portable 12V DC Air Compressor Unit, produces 0.21 scfm at 100 psi. The 3020 Compressor is a useful option for low-flow sampling of wells at depths to 100 feet, with a maximum lift of 200 ft. Pump flow rates in deeper wells (over 100 ft) will be reduced, especially for pumps with less than 10 ft. liquid submergence. Includes "jumper-cable" wires to easily connect to a 12 volt battery. Unit weighs 15 lbs. Warranty 1 year parts and labor.