Hand Operated Vacuum Pump with Gauge

Description

Experiment with air pressure and atmosphere, vacuum filtering and check for leaks. This economical pump features a gauge in cm and inches, Hg displaces 725 ml of air. Pump rate of 15 ml Clear tubing is 60cm with 6mm inner diameter.Economical pump features a gauge in cm and inches. Color may vary.

This item will be discontinued.  It does require some muscle to operate.