... Gauge with Diaphragm(Dia. 63,75,100,150mm Acc.1,6)Dia.63mm75mm100mm150mmCaseSteel-black, Option: stainless steelSteel-black with bezel-ring ... : St.St.Measure range-1000...-250mbar 0+25...+10000mbarConnection threadBrass, G1/4", G3/8", NPT, BSPT... Option: St.St.Brass ... , G1/2", G1/4", G3/8" NPT, BSPT... Option: St.St.ConnectionBottom, back ...