Baker Instruments LVBNA Series Stainless Steel Dual Scale Pressure Gauge, 0 to 30 psi / kPa, 2.5" Dial, +/-3/2/3% Accuracy, 1/4" NPT Bottom Mount 2.5" diameter dial pressure gauge Dual english/metric scales with ASME Grade B Accuracy (+/-3/2/3%) Brass internals and corrosion resistant stainless steel casing Bottom 1/4" male NPT connection One year warranty