Differential pressure gauge 0-5” w.c., providing low cost, rugged steel case dial face design, easy to read, providing exceptional accuracy meeting most applications. This panel mount design fits a standard 2.5”-3.0” panel hole for quick and easy installation operating up to a 30 psig. The unit has two standard brass 3/16” barbed hose fittings to attach your 3/16” ID tubing along with a steel mounting bracket allowing you to attach it to multiple panel thicknesses. These are used in many OEM applications like, air purifiers, air filtration, negative air machines, medical applications, air handlers, laminar air flow hoods, etc.