Emglo Air Power AM782HC4V 1.1 HP Continuous 4 Gallon Electric Hand Carry Compressor 4.0 CFM delivered at 90 PSI pump provides rapid recovery Oil lubricated pump improves durability Cast iron cylinder enhances pump life High-flow regulator for increased performance 4 gallon twin stack tank design with proven acceptance in the market; Dual soft start valves assist in cold weather start up