Low Side Gauge, Diameter 3 1/8 in, Working Pressure 500 psi, Connection Size 1/4 in, Color Blue, Gauge Type Low Side Gauge, Gauge Accuracy +/- 1.00 Percent, For Use With R-22, R-404A, R-410A, Application Quick Pressure Checks On Large Systems or Refrigerant Tanks. This item has been restricted from sale in the following state (s): []