Yellow Jacket 49067 2-1/2″ Brass pressure, 0 – 500 psi, R-22/134a/404A
With 1% accuracy (Class 1) calibration. Solid brass case and premium movements. Heavy duty phosphor bronze and stainless steel internal components for longer service life under severe use.
* Features retard protection to 350 psi.
NOTE: Gauges are not meant to be used with nitrogen.