The 3M™ Nose Cup Assembly 7981S, Respiratory Protection Replacement Part, Small, works with 3M Full Facepiece 7000 series (sold separately). This smaller size nosecup may be preferred by persons with smaller facial features. (Note: Full Facepieces 7000 Series, Small, come with normal Nose Cup Assembly, 7881S.) The assembly is made from silicone for comfort and durability. This product is an approved 3M™ replacement part to maintain the original service quality of the facepiece. Using this replacement part can extend the service life of respiratory protection equipment and potentially result in cost savings.