Pressure gauges for aviation oxygen cylinders.
Protective gauge boot.
MH-300S (1.3/8″) swivel gauge – with SAE (-4) 7/16-20 fitting, 0-3000psi
MH-300 1.5″ gauge w/1/8″ NPT(M) fitting, 0-3000psi.
MH-400 1.25″ high-pressure cylinder gauge.