The MSA Small Black Silicone Nosecup for Ultravue Facepiece 813138 is a personal protective equipment item designed for use with specific MSA facepieces. Made of silicone, this nosecup provides a comfortable and secure fit for the nose region, ensuring proper seal and protection during use. With its small size and unit quantity of 1, it is a practical and essential component for industrial settings requiring the use of protective masks and respirators.