Nitrogen Regulator for A/C Leak Detection and Pressure TestingNitrogen Regulator for A C Leak Detection and Pressure Testing Used for Purging and Pressure Testing Air Conditioning and Refrigeration Systems Inlet = CGA580 Outlet = 1 4'' Male Flare Connection Delivery PSI = 0 800 Outlet 0 800 PSI, Inlet 0 4000 PSI Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part, and replacement is simple. One year warranty, shipped within 1 2 days and