Maxline M8014 Reducing Tee Fitting for 3/4-Inch x 1/2-Inch x 3/4-Inch Tubing Nickel plated brass fitting guards against corrosion 175 psi maximum working pressure Double O-ring compression style fitting, tubing can be removed from fitting if needed Use only with Maxline 3/4-Inch and 1/2-Inch system