Liquid filled Pressure Gauge (Manometer) with Stainless Steel Bezel and Stainless Steel Roll Ring Liquid Filled GaugeCase sizes: 1.5, 2 ... Case material: stainless steel case, it can take with front flange, back flange Bezel material: stainless steel bezel, stainless steel roll ring or ... Grade B (3-2-3%) Options and accessories: custom dial, metric scale, DIN 2.5% accuracy, U-Clamp, restrictors, special ...