3cfm 1/4 Hp Vacuum Pump Hvac Refrigeration Gauge Refrigeration Kit Us Stock A/c High Efficient Pump Multifunctionl Manifold Gauge Three-Color Coded Hoses Viewing Windows & Heat Dissipation Complete Accessory Kit Various Application Rotating Speed: 1440 RPM,Ultimate Vacuum: 5 Pa,Low pressure: 0~500psi,Intake Fitting: 1/4' & 3/8',Vacuum Pump: Single Stage,Power /Voltage: 1/4 HP, 110V / 50-60Hz,Connection size: 1/4'SAE, 5/16SAE',Hose Burst pressure: 4000PSI,Free Air Displacement: 3CFM, 84 L/M,Hose Max working pressure: 800 PSI