OGI1062 Features: * Sintered bronze inlet filter * Provides accurate regulation of gas flow, reliable performance in commercial, industrial and laboratory applications * Underwriters Laboratories Inc. listed * Easily read flow gauge * Chrome plated housing cap * Internal safety pressure relief design * Plastic adjustment knob for smooth ""easy touch"" flow settings * Provides accurate regulation of gas flow * Provides reliable performance in commercial, industrial and laboratory applications * Gauge Size: 2 in * Body Material: Brass * Price is for 1 Each Construction: * Lightweight, rugged construction Assembly Instructions: * Stem type seat assembly for more reliable performance