Obtain full blank port pressure with only two strokes when using the Thermo Scientific™ Nalgene™ Zinc/Aluminum Hand-Operated Vacuum Pump with Gauge, a multi-purpose self-lubricating pump featuring outstanding efficiency

Designed with ergonomic handle to make pumping easier on the hands. Easy-flip lever to switch from vacuum to pressure. Attaches to 1/4" (0.635cm) I.D. flexible tubing; includes a 2' (0.7m) length of clear PVC tubing.

Cast in corrosion-resistant zinc/aluminum and easily disassembled for repair or replacement of internal parts, this hand pump quickly and easily attains a vacuum of 25″ (635mm) Hg or a pressure of 30 psi (35kPa).