Anderson Metals 704044-06 3-Way Tube Union Tee. Item specifications include: Fresh water coupler fitting from the LF 7404 series. Dimensions are 3/8 inch outside diameter tube with a 45 degree SAE flare by 3/8 inch outside diameter tube 45 degree SAE flare by 3/8 inch outside diameter tube with 45 degree SAE flare. Single unit with made from brass and lead free.