Robinairs No. 41676 2-1/2" high pressure refrigeration and A/C service gauge is designed for R-410a applications. Gauge features a red housing with a white on red and black face that displays pressure readings in pounds per square inch (PSI) and temperature readings in degrees Fahrenheit. The rugged clear Lexan face and brass NPT fitting with factory applied sealant add durability and value. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.