Product Information Mount: 1/4" Center Back Mount Size: 2-1/2" Face Select a Product Part NumberFigure IntervalMinor GradientPressure Range GLSC4101010-60 PSI GLSC4275050-400 PSI GLSC45510001000-5000 PSI GLSC4172020-160 PSI GLSC430100100-600 PSI GLSC4003.50-15 PSI GLSC4055.50-30 PSI GLSC4255050-300 PSI GLSC445400200-2000 PSI GLSC4152020-100 PSI GLSC435200100-1000 PSI GLSC4204050-200 PSI GLSC440300500-1500 PSI GLSC450500500-3000 PSI