Pressure Range: 4-20 CmH2O

Color classification: Transparent

Wig length: long hair

Surface Finish: Matte Black / Chrome

Name: High-pressure bicycle pump

Sail Newton Pool Size:M Pressure Range: 4-20 CmH2OMaterial: Plastic + Iron L27*16. 5*22CM M23*14*18CM S17* 11*14cm Plunge one, two, three balls and see different effects There are many ways to play, it depends on your imagination. The ball cannot be moved permanently. Only in a certain vacuum state will it move permanently. !! !! Use one ball to push the other 4 balls, you will find that only 1 ball will swing back and forth; if it is 2 balls, 2 balls will swing naturally Allows the ball to swing