Hand Vacuum Pump - without gauge

This economy hand vacuum pump can be effectively deployed in the chemistry classroom to remove gas molecules from a sealed container so as to generate a partial vacuum.  The pump can also completely remove liquid from a sealed container, creating a vacuum in an enclosed space.

This vacuum's pump rate is 15ml per stroke. It will displace up to 725ml of air and the unit is fitted with a valve to release the vacuum without disconnecting the pump.

Features:

• Economy hand-powered vacuum pump without gauge - perfect affordable option for classroom experimentation
• Removes gas molecules from sealed containers to create partial vacuum
• Can also create a total vacuum in an enclosed space by removing all liquid from a sealed container
• Pump rate of 15ml per stroke - can displace up to 725ml of air
• Valve can release vacuum without disconnecting pump