- Refill new coolant by creating a vacuum in the cooling system
- No need to undergo time-consuming air bleeding after refilling new coolant
- Sealing collar with three rubber bushings offers a wide variety of applications for radiator filler necks
- Minimizes the risk of engine overheating
- Drain hose for draining residual fluid in the radiator and the tool
- Venturi style vacuum connects with an air compressor to create vacuum