W dniu 18 kwietnia 2025 roku infolinia będzie czynna w godzinach 8.00-15.00
Serdecznie przepraszamy za utrudnienia.
Product description:
2 hemispheres, with handles attached, for demonstrating the operation of atmospheric pressure when the two elements are pressed together so that the rims fit together and the air is next sucked out.
D 12 cm; made of plastic and rubber;
Weight: 10.70 Kg