1.5 inch diameter butterfly drain valve with spout for use on a 1.5″ flange/1.5″ ferrule for draining. Butterfly valve design with a 1.5″ diameter will fit all Mile Hi milk cans with a 1.5″ flanged drain port with spout. The drain valve will allow for easy and quick draining of a spent wash. 16 gallon and 26 gallon Mile Hi Distilling Milk Can Kettles / Boilers have a 1.5″ drain