SMC KQ2U13-37AS PBT & Brass Push-to-Connect Tube Fitting with Sealant, Branch Wye, 1/2" Tube OD x 1/2" NPT Male Male branch wye (Y shaped) to connect a female thread to two tubes running in the same direction Male NPT threads with sealant on one end and push-to-connect inch tube connections on the other two ends PBT and brass body and brass threads for resistance to corrosion Operating pressure range of -14.5 to 145 psi (-100 kPa to 1 MPa) Operating temperature ranges of 23 to 140 degrees F (-5 to 60 degrees C) (ambient) and 32 to 104 degrees F (0 to 40 degrees C) (fluid) This product is not intended for use in potable water systems