A Multi-Purpose Vacuum Pump, great for classroom, laboratory or shop use. This hand pump has a quick vacuum release trigger and may also be used as a siphon pump by removing the outlet cap and attaching 1/4" tubing.
Dual Calibration Vacuum Gauge, 0-30 in Hg, 0-760 mm Hg
Develops and holds 25 inch / 620 mm Hg vacuum
Quick vacuum release trigger
Used as a siphon pump transfers Aprox. 1 cubic inch per stroke