2301
Dwyer 2301 Magnehelic Pressure Gauge
You will notice that WILTON items often have a no-nonsense look that means business.
Dwyer 2301 Magnehelic Series 2000 Differential Pressure Gauge, Range 0.5-0-0.5WC
You will notice that Glasmasters uses fasteners that are easy to tighten with basic tools.