TuboX3 Crystal has been designed to recover the original pressure of tennis and padel balls, and keep them in perfect condition between matches. Thanks to its high-end valve, it is possible to inject air inside the cylinder and increase the pressure, allowing the balls to be fully recovered. Easy to use and resistant. Its strengths are: Recover tennis and padel balls Reduced size Light weight Easy to use with air pump New improved design Transparent to check the state of the balls Includes O-ring and cap to protect the valve