... % Connection A. Back,no flange 0-0.1,0.16,0.25,0.4,0.6,1.0,1.6,2.5,4.0,6.0,10,16,25,40,60 ... 0-0.1,0.16,0.25,0.4,0.6,1.0,1.6,2.5,4.0,6.0,10,16,25,40,60,1000-0.1,0.16,0.25,0.3,0 ... .5,0 ... block with a needle.No corrosive gas contacts the gauge. All stainless steel Pressure Gauge