The vacuum pump has multiple functions including good oil sight glass for. Monitoring oil levels and internal high volume cooling fan for extended use. Self-protection function for preventing oil from flowing back and polluting.
The vacuum pump was made of materials including heavy duty aluminum. And metal for achieving good use experience.
Vacuum Pump 7CFM Rotary Vane 1 Stage 1/2HP Deep HVAC AC Air Conditioning Tool. The rotary vane vacuum pump provides efficiency & good performance. For different applications like Air Conditioning Systems, Gas Analysis. Automotive Applications and Vacuum Packing etc. High efficiency and low noise for users' good use experience.High torque design and On/Off switch for easy start-up of the operation. Number of Stages: Single Stage. Material: Alloy aluminum and metal. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return. We are always listening to the customers and colleagues to keep innovating our products and service.