The Zeny 3.5CFM 1/4hp Electric Vacuum Pump, for your Air Conditioner (AC)  is constructed of heavy-duty aluminum alloy casing with internal high volume cooling fan and low noise. The oil drain plug is positioned at the bottom of the oil reservoir and also has an oil sight glass for monitoring oil levels. The vacuum pump also is designed with an ON/OFF switch and easy direct drive motor for easy start and maintenance free.

Vacuum Pump Features:

-Inlet Port: 1/4" Flare, Warm note: 1)Pressure Scale:0~400psi, 0~140psi 2)Length of hose:1.2m Red:1/4''-1/4'' Yellow:1/4''-1/4'' Blue:1/4''-1/4'' (Please make sure your manifold gauge is in accordance with this size.  A self-paying vacuum pump Adapter needed if inlet not suitable.)
-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.
-Exhaust Port with Exhaust Cap, Direct Drive Motor Allowing Easy Starting Which is Maintenance Free.
-Oil Sight Glass For Monitoring Oil Levels, ON/OFF Switch.
-Non Slip Cushion Handle, Comes With a Bottle of Vacuum Oil.

Other Features:

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.
Oil Sight Glass For Monitoring Oil Levels.
ON/OFF Switch.
Non Slip Cushion Handle.
Comes With a Bottle of Vacuum Oil.

ASIN:B012CFTZII(4CF)
B078XD1VZP(3.5CF)
B017VJTDM8(3.5CFM set)
B017VJTDKA(R134A)