Vacuum Pump 2 Stage 5.5 CFM 1/2 HP. Uniweld's high performance 5.5CFM Vacuum Pump has been designed and engineered to provide you with reliable service and the latest in vacuum pump technology. The UVP 5.5CFM pump is built for deep vacuum service on appliances, A/C, automotive and commercial refrigeration systems. Features include: Lightweight, Cooler Running, Wide Mouth Oil Port and Pump Exhaust, Large Capacity Oil Reservoir, Large Sight Glass for Easy Oil Monitoring, Easy Access Oil Drain, Center Mounted Handle for Balance, Wide Stable Base with Rubber Feet for Durability and Vibration Control. 115 VAC, 50/60 Hz., 72" Power Cord (Plug Type), Oil Capacity: 15.22 Oz. TopTech.