Nitrogen regulator with CGA 580 inlet connection and 1/4" male flare outlet for HVAC applications. Features dual pressure gauges — input 0-4000 PSI, output 0-800 PSI — with scratch-resistant protective covers for accurate readings during purging, pressure testing, and brazing work. Solid brass construction ensures durability and safety. Includes T-shaped handle for smooth, precise pressure adjustment, 60" hose, and protective rubber covers. Ideal for HVAC purging, inertization, pressure tests, leak detection, brazing, soldering, and nitrogen applications in residential and commercial settings.