HVAC Trade Line Pressure Gauge; Minimum Pressure 0 PSI; Maximum Pressure 30 PSI; Display Type Dial; Enclosure Material Black Drawn Steel; End Connection 1/4 Inch Threaded; Connection Location Lower; Dial Diameter 3-1/2 Inch; Dial Material Metal Lithographed; Dial Color White (Background), Black/Red (Graduation Line/Numeral); Pointer Type Balanced; Pointer Material Aluminum; Pointer Color Black; Mid Scale Accuracy 2 Percent; Application Oil, Water, Gas, Air; Connection Material Bronze (Tube), Brass (Socket); Window Material Polycarbonate; Movement Material Brass