Ohio Power Tool carries several rotary screw air compressors manufactured by Chicago Pneumatic. These rotary screw air compressors are designed specifically for the vehicle service industry. Models range from 3HP to 30 HP. All compressors are available with and optional refrigerated air dryer designed for PBE applications. These high performance packages are all mounted, piped, wired, and tested in one complete package for quick and easy installation. Hp models hav tank mounted compressor only. HPD models include tank mounted refrigerated air dryer for clean, dry air.