Water Pressure Gauge and Water Flow Rate Meter,Test,2-1/2 In.,0 to 160 psi, 0 to 13 gpm,Connection Size 3/4 In. Female Hose Thread,Connection Location Inline,Smallest Graduation 5 psi/0.5 gpm,Graduations 5 psi/0.5 gpm,Accuracy +/-3 Percent,Case...