The NEW solid brass 5-Port Rough-in Diverter Valve is made by Ondine, Model No. 28072WW DIV VLV 5WAY WH The inlet and outlet port sizes are as follows: * 3 ports are for 1 inch fittings * 2 ports are for 3/4 inch fittings * The 1 1/2 inch port is for a diverter handle It’s one big hunk of brass. The Diverter Valve is discontinued and retailed for over $300.00.