ZENY Single Stage1/3HP 4CFM Electric Deep Vacuum Pump Refrigerant R410a HVAC Deep Vane Air Conditioner Air Conditioning Tool (VP135) w/1/4" Flare Inlet Port High Efficiency and Low Noise Heavy-duty Aluminum Alloy Casing Oil Drain Plug Positioned at Bottom of Oil Reservoir Internal High Volume Cooling Fan for Extended Use Exhaust Port with Exhaust Cap, Direct Drive Motor Allowing Easy Starting Which is Maintenance Free Warm note: Inlet Port: 1/4" Flare