VACUUM PUMP hand-operated (with or without gauge)

Light, portable hand-operated vacuum pump, with optional vacuum gauge, and high suction capacity.
With a few squeezes it attains a vacuum of 625 mm Hg (25″).
Pumping rate is 15cc per stroke.
Fitted with valve to release vacuum without disconnecting pump from line.
Two-way pumping action for transferring liquids in either direction.
Nozzle fits standard 1/4″ I.D. tubing.