These Thermo Scientific Nalgene Hand Pressure Vacuum Pumps are hand-operated vacuum pumps quickly obtain and hold a vacuum pressure of 25" (635mm) Hg. Pressure can be released with just the touch of an index finger without disconnecting the pump from the line – just remove the cover from the exhaust port and trigger to release the vacuum. Full blank port pressure requires only two strokes.

Durable PVC pumps fit standard 1/4" tubing and is supplied with a 2’ length of tubing. Do not autoclave

Key Features

• Ideal for siphoning, liquid transfer, filtration, bleeding lines, and checking vacuum operated equipment
• Require only one hand for operation
• Adjustable vacuum release rate