This Mr. Heater 1/4 inch Male Pipe Thread x 1 inch-20 Female Throwaway Cylinder Thread is made from heavy-duty, solid brass and features a rubber gasket and brass nipple to open safety valve in male throwaway cylinders. 1/4 inch male pipe thread x 1 inch-20 female throwaway cylinder thread Brass nipple to open safety valve in male throwaway cylinders Rubber gasket for easy sealing Solid brass construction
