behøver du ikke købe en helt ny Pressurebox: skru det gamle af

Passer til Pressurebox Pro (tennis og padel)

the air slowly seeps back through the ball’s microscopic membranes and restores the original pressure

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Pressurebox Core Variant:For Tennis Balls behøver du ikke købe enExtend the life of your balls with Pressurebox Core. By maintaining a constant high pressure, the air slowly seeps back through the balls microscopic membranes and restores the original pressure. You can play up to 8 matches with the same balls, until the felt is worn down. The built in pressure gauge gives you full control over the pressure, and when youre ready to play you simply press the release button. Then you get that familiar psshh the sound