Bestauto Vacuum Pump 4.5CFM Vacuum Pump HVAC Single-Stage Rotary Vane Vacuum Pump 1/3HP 5PA Ultimate Air Conditioning… Price: $75.99 (as of 13:31 EST- More info) & FREE Shipping.

【DURABLE & STURDY】- The vacuum pump is made of premium aluminum, durable and sturdy. The base was made of composite rubber material for extending machine life.
【NO FLOW BACK】- The refrigerant vacuum pump is designed to keep chamber from contamination by keeping oil from flowing back and polluting its container and tubes.
【EASY MONITORING】- This vacuum pump comes equipped with an oil viewing window so that you can easily monitor oil levels, and keep from oil deficiency.