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Hand-Operated Vacuum Pump with Gauge

2 Items
$37.25 - $51.50 View Details

Demonstrate the effect of a partial vacuum on inflated balloons and other objects with this easy-to-use pump. The pump removes 15 mL of air with each squeeze of its comfort-grip handle and pulls a vacuum down to 50 mm of mercury. A release valve lets you release the vacuum without disconnecting the pump from the line. Gauge displays pressure in inches of mercury and Pascals. Includes 12" of 3/16"-ID tubing.

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Demonstrate the effect of a partial vacuum on inflated balloons and other objects with this easy-to-use pump. The pump removes 15 mL of air with each squeeze of its comfort-grip handle and pulls a vacuum down to 50 mm of mercury. A release valve lets you release the vacuum without disconnecting the pump from the line. Gauge displays pressure in inches of mercury and Pascals. Includes 12" of 3/16"-ID tubing.
 
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