Up for sale are four Chemtrol NIBCO threaded end caps made of polypropylene material. These caps have a diameter of 1/2 inch and are ideal for use in threaded fittings, pipe and hose fittings, and hydraulic, pneumatic, pumps, and plumbing systems. The translucent white color of the caps adds a touch of elegance to your plumbing system. These fittings are a must-have for any business or industrial setting.