Union Tee, Application Air, Potable Water, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Side C Connection Type Compression, Fitting Material Polypropylene, Fitting Side A Tube Outer Diameter 5/16 in, Fitting Side B Tube Outer Diameter 5/16 in, Fitting Side C Tube Outer Diameter 5/16 in, Maximum Operating Pressure 300 psi, Maximum Operating Temperature 212 Degrees F, Overall Length 2 3/16 in, Specific Fitting Shape Tee WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -