This 12-inch Low Profile Primary Shutoff with an aluminum lid is made in the USA by NVE. This durable shutoff features a 4-inch Buna ball seat, a wingnut closure, and a 5/8-inch square Buna gasket. It includes a 6-inch stainless float ball, a 4-inch hose barb connection, a 10-inch stainless steel ball cage, and a weldable aluminum neck.