21 gallon 2.5 HP 125 PSI Cast Iron Vertical Air CompressorThis vertical air compressor can be connected to a variety of air hoses with a built in universal quick connect coupler. With 2. 5 horsepower, this solid air compressor will power your tools or inflate tires with energy to spare. Roll this portable air compressor on two 6 in. wheels, while two rubber foot stabilizers reduce vibration during use. Air delivery: 5. 8 CFM @ 40 PSI, 4. 7 CFM @ 90 PSI Heavy duty 2. 5 horsepower rated motor Long life oil