Air Manometer Kit, Maximum Pressure 20 in wc, Minimum Pressure 0 in wc, Pressure Accuracy +/- 0.5 Percent of Full Scale, Process Connection Size 1/8 in, 3/16 in, Process Connection Type Hose Barb, Includes Batteries Batteries Included, Digital Display Features 4 Digit LED, Series 475, Pressure Units in wc. This item has been restricted from sale in the following state (s): []