"2.5in. dry back-mount gauge has brass movement with C-shaped Bourdon tube. 1/4 male NPT male connection. Grade B accuracy. Designed for use with air, gas, oil or water. Black enameled steel case, aluminum pointer, white aluminum dial and acrylic window. Bourdon Tube C-shaped, Movement Brass, Case Material Black enameled steel, Recommended Use Air, gas, oil, water, Gauge Diameter in. 2 1/2, Connection Size in. 1/4 Male NPT, Pointer Aluminum, Dial White aluminum, Range PSI 0-30, Accuracy Grade B, Window Material Acrylic, Mount Type Back, Product Type Gauge, Max. PSI 30."
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