Vacuum Pump 6cfm This system is designed to meet SAE J2810 and is compact, lightweight and works with all refrigerants. All of the internal components of the A/C Recovery System have been arranged and isolated to ensure a smooth and quiet performance. The unit offers a state of the art maximum cooling efficiency, which keeps the compressor working at high capacities in even the warmest climates. The compressor is also protected by an automatic low pressure -off switch that shuts off the unit once the recovery is complete. This auto shut-off feature eliminates the risk of compressor failure and reduces the user's need to monitor the entire recovery process. The stainless steel ball valve designed manifold controls the refrigerant flow smoothly and quickly with only a pressure readings in PSI, BAR and MPA. Iso-ValveTM - Allows the pump to be shut off while still connected to the A/C-R system, which is handy for checking rate of rise. With the valve handle in the OPEN position, the pump is open to the system being evacuated. In the CLOSED position, the pump is isolated from the system. High Vacuum Rating - The two-stage, offset, rotary vane design provides powerful, quiet, high vacuum capability and ensures moisture removal, while the high pumping capacity reduces evacuation time. Lifetime Filtration - The intake filter prevents foreign matter from entering the pumping chamber, and an internal exhaust filter separates oil vapor from the exhaust flow. Directed Exhaust - Exhaust is expelled through the handle to direct it away from the service technician. Gas Ballast - A precise amount of atmospheric air is introduced into the pump, preventing condensation of moisture vapor and helping maintain the purity of the pump oil. By using the gas ballast, the pump operates more efficiently and pump life is extended. Sure-Grip Handle - The one-piece, molded handle makes it easy to carry the pump to and from job sites, and the handle stays cool to the touch during operation.. C