I just made a first use of models Gunson - G4062F Eezibleed (with F) Citroën C15 and ZX. Comments: Attention to the use pressure data for use is 20 PSI max 1.4 bar. So the use of the spare wheel with a normal inflation (2 bar on average) is not recommended. Wide range of adapter for Looked tank, careful not compatible with Japanese brands is what the documentation says. The system is watertight (well-designed) to share the connection with the spare wheel (with leverage) leaking in any position. Making it necessary to re-inflate the tires regularly. And there it means to pressurize the system. I will change this by fitting a system that is found on all wheels inflators. Coté use, the tank capacity is perfect for a car. Flexible provided is sufficient On a C15 citrën with 1.5 bar to 1 bar, the purge is slow but effective. This is a good product for occasional use (I have 3 cars with a purge every 2 years for the technical control. it's perfect for an individual. So one recommendation: pay attention to the pressure