WaterMark Hand-Operated Vacuum/Pressure Pump

The hand-operated pump provides easy pressurization in the field and features a pumping rate of 16 cc/stroke and 3 psi (0.21 bar) positive pressure at the exhaust port. The gauge monitors vacuum in centimeters and inches of mercury. Pump is supplied with 2’L x 1/4”I.D. clear plastic tubing.