Replacement Gauges for Oxygen Regulator 2″ x 200 psi and 4000 psi 1/4″ NPT
Pressure gauges for regulator easy to read dial in PSI. 2" x 200 psi gauge 2" x 4000 psi gauge Threads 1/4" NPT, which measures roughly 1/2 inch (.54 inches) with a tape measure