The Kettle Tube is a rugged tube of stainless steel screen 12" in length, 1" in diameter, with a 1/2" MPT fitting at one end. This fitting will thread directly into the inside of our Deluxe Brew Kettles, Economy Kettles, or into the back of any of our line of Weldless Ball Valves, allowing you to better filter trub and whole hops from you