KQ2U04-06A-A Wye Union, Application Air, Non-Potable Water, Color White, Fitting Side A Connection Type Push-to-Connect, Fitting Side B Connection Type Push-to-Connect, Fitting Side C Connection Type Push-to-Connect, Includes Pre-Applied Thread Sealant No, Fitting Side A Tube Outer Diameter 4 mm, Fitting Side B Tube Outer Diameter 4 mm, Fitting Side C Tube Outer Diameter 6 mm, Fitting Material PBT, Maximum Operating Pressure 145 psi, Maximum Operating Temperature 140 Degrees F, Overall Length 29 mm