Black Diamond's 20 gallon horizontal portable compressor features a cast iron, v-twin cylinder pump. Oil lubricated for long life with an easy view oil level sight glass and accessible oil fill. Being horizontal, this compressor can easily fit under your workbench for storage when not in use. The motor is factory wired at 120 Volt and can be converted to 240 Volt applications if needed - simply contact your local electrician. The 10" fully pneumatic tires allow this unit to move easily over rough terrain. The wire form belt guard protects all moving parts. Equipped with a quick set regulator, tool & tank pressure gauges, and conveniently located on/off. Set up requires a simple wheel & handle attachment. This compressor is certified to UL1450 and CSA22.2 for sale in the U.S. and Canada.