Vacuum Pump, Hand Operated, with Gauge
This hand operated vacuum pump comes in handy for doing many science experiments.
This hand operated vacuum pump comes in handy for doing many science experiments. It has pressure gauge which reads vacuum pressure both in mm of mercury and pascal. It is made from durable polychloroethylene plastic. It can provide vacuum pressure up to 50 mm of mercury and has a pumping rate of about 15 mL per pumping. The pump is sealed and self lubricated. It comes with an easy vacuum release valve, to release vacuum without unfixing the pump. Instructions included.
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