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Each Magnum Pro calibration pump uses our unique patented design, utilizing a Schrader valve instead of a needle valve, dual O-rings on all pistons as well as other enhancements. These innovations have earned our calibration pumps the reputation of being indestructible.
The M-Series Analog Gauge comes in a variety of display sizes and ranges to suit our exact needs. The protective rubber boot will ensure it the best protection from the rugged life inside the power plant.