Akrons 2.5" cap guage was designed for determining the static pressure of water in fire hydrants, fire hoses, and/or fire pumps - Certified calibrated gauges - Designed for determining the static pressure of water in fire hydrants, fire hoses, and/or fire pumps - 3 1/2" liquid filled 0-160 psi (0-1100 kpa) gauge, 2 psi (20 kPa) increments, +-1% accurate full scale - Pyrolite construction - Bleeder cap included No Special Threads
