Product features:

1. Fast vacuum acquisition and strong negative pressure capability 2. High-quality hardened transparent measuring cup is used, which has the advantages of high strength, high transparency, high temperature resistance, weather resistance, corrosion resistance, etc. 3. The measuring cup has a scale, which can be Observe the oil quality and metering. 4. All functions use compressed air as the power source to ensure the safety, environmental protection and low consumption of this equipment. The self-developed vacuum generator improves the work efficiency by more than 80% compared with similar products (about 4 minutes for pumping and connecting oil）

it can choose five color what you want.