SMC KQ2Y11-35S Male Run Tee, 3/8 x 1/4 In, Tube x NPT. More details: Male Run Tee, Basic Material Plastic/Metal Combination, Body Material Brass and Polybutylene, Connection Type Tube x MNPT, Tube Size 3/8 In., Pipe Size 1/4 In., Max. Pressure 145 psi, Color White/Gray, Temp. Range 23 Degrees to 140 Degrees F