I have an Omega Patriot 75 cu. ft. 4500 psi Air Cylinder w/HP3 Valve and I don't like the 1" valve that shows cylinder volume. Too hard for these old eyes to really see what the volume of the cylinder is. I'd like a gauge that has more markings to show what's actually in the cylinder. I'd also consider an digital read out gauge. Anyone have a suggestion? TIA, Dave
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