Description General description Pump with vacuum gauge attains and holds vacuum of 125 mm Hg (absolute). Vacuum trigger release requires only one hand to operate. Adjustable vacuum release rate controlled by lever on pump. Full blank port pressure obtained in two strokes. Removable cover on exhaust port and trigger releases vacuum without disconnecting pump from line. Gauge monitors vacuum in cm and in. Hg. Includes: 2 ft of 1/4 in. I.D. Nalgene 180 tubing. Use for siphoning, filtration, liquid transfer, bleeding fluid lines, checking for equipment leaks, and adjusting vacuum-operated devices. When transferring liquids, use air trap to prevent liquid from entering pump. Pumping rate: 15 cc/stroke Suitability This hand-operated pump is a good source for both vacuum and pressure. Legal Information Nalgene is a registered trademark of Thermo Fisher Scientific or its subsidiaries