Male Branch Tee, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Side C Connection Type MNPT, Finish/Coating Nickel-Plated, Fitting Material Brass, Fitting Side A Tube Outer Diameter 3/8 in, Fitting Side B Tube Outer Diameter 1/4 in, Thread Size C 1/4-18, Thread Size B 1/4-18, Thread Size A 1/4-18, System of Measurement Imperial, Maximum Operating Pressure 150 psi, Maximum Operating Temperature 200 Degrees F