3M 6898 6800 Replacement Visor for Full Facepiece Features: 3M™ Nosecup Assembly 6894/37004 (AAD), Respiratory Protection Spare Part, Compatible with 3M Full Facepieces 6700, 6800, 6900 (07138, 07139, 07140 AAD) (sold separately). This product is an approved 3M™ replacement part to maintain the original service quality of the facepiece. Using this spare part can extend the life of the respiratory protection equipment and offer cost savings.