ARKSEN Single Stage 1/2HP Rotary Vane 5CFM Vacuum Pump R410a R134a Refrigerant, Black Free Air Displacement: 5CFM - Factory Micro Rating: 75 Microns (10pa) Motor Size: 1/2HP - Pump Speed: 1720 RPM; Voltage: 110V, 60HZ Lightweight cast aluminum construction for maximum durability Easy start & maintenance free; Built-in high volume cooling fan for extended use Includes Hose Fittings And Pump Oil