Appion G5TWIN Twin Cylinder Recovery Unit Compact and lightweight: Weighs only 24 lbs Twin Cylinders and Twin Condensers for ultra fast recovery Refrigerant-Isolated Crankcase, eliminating bearing contamination Pumps R410A liquid and vapor 7-inch 10-blade turbine fan @ 3000 rpm blasts 600 cfm of cooling air over the twin heads and condensers