150W Refrigerant Vacuum Pump Kit for 1P Air Conditioning Pump Vacuum Machine R410A R407C R134a R12 R22 ,Easy to Use

1. High ultimate vacuum, high pumping rate design, single-stage rotary vane design. 2. The pump body adopts the overall structure design 3. Compulsory oil inlet structure design 4. Anti-reflux structure design 5. Gas ballast design to reduce the degree of condensation of suspicious in the pumped gas in the pump