Reducing Tee, Tube Fitting Material Wrot Copper, Fitting Connection Type C x C x C, Tube Size 1 In. x 3/4 In. x 1 In., Outside Dia. 1-1/8 In. x 7/8 In. x 1-1/8 In., Max. Pressure 494 psi @ 100 Degrees F, Temp. Range -20 Degrees to 400 Degrees F, Standards ASME/ANSI B16.22