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Atmospheric Pressure (Force) Cups.

Atmospheric Pressure (Force) Cups.

Atmospheric Pressure (Force) Cups.

These student-friendly rubber cups can be placed together and squeezed to force out the air inside. They then prove surprisingly hard to pull apart. Includes two rubber cups, 7.5 cm in diameter and attached plastic handle.

611-2330

$28.82

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These student-friendly rubber cups can be placed together and squeezed to force out the air inside. They then prove surprisingly hard to pull apart. Includes two rubber cups, 7.5 cm in diameter and attached plastic handle.

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