Winters P9S 90 Series Steel Dual Scale Pressure Gauge with Removable Lens, 30"Hg Vacuum/kpa, 2" Dial Display, +/-2-1-2% Accuracy, 1/4" NPT Bottom Mount A general-purpose gauge that is serviceable and pulsation resistant Dampened movement combined with a flutterless pointer Zero-adjustment CRN registered 5 Year warranty