The CET4-20W is part of Bosch’s new Full Force Technology™ line of compressors. The vertical tank on the hand-carry compressor allows moisture to collect at the bottom of the tank. A recessed control panel protects the regulator, gauges, couplers and drain valve. The CET4-20 W has a 2-pole electric induction motor, a 4-gallon capacity and provides 4.9 cubic feet per minute at 100 psi. It’s listed at a price of $667.