Gas Test Gauge, 4 In, Connection Size 3/4 In NPT, Connection Location Stem Mount Lower, Accuracy (%) 1%, Case Material Steel, Display 4 In (100mm) White Aluminum With Black And Blue Markings, Display Units PSI or Hg, Resolution 1/10th PSI or 1/2 In Hg, Operating Temp. Range (F) (-4F) to 160F, Series 40 KB, Includes Hex Body And Schrader Air Valve, Manufacturers Warranty Length 1 Year, Range 6 PSI-12 In Hg. This item has been restricted from sale in the following state (s): []