The operated vacuum pump is suitable for R134a and R12 automotive .And with our clear instruction,you 't need any complicated steps,just simply the line and it pulls full vacuum in less than 2 minutes. With the capacity,it is a perfect choice for automotive conditioners,home conditioners,refrigerators and freezers. 75 PSI-180 PSI pressure is required.Besides,the vacuum pump is a AC pump eliminates moisture from conditioning systems,making it safe and easy to add refrigerant. The operated vacuum pump is made up with PE plastic,which makes the vacuum pump is resistant to corrosion and light in weight.Also,the operated vacuum pump has a handle,which makes it easy to carry.You can take it to anywhere. color:red material:plastic Size:about 17.5*10*8cm Package Contents: 1* Operated Vacuum Pump Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.