Enhance respiratory protection and user comfort with the 3M™ Center Adapter Assembly 6864/37000(AAD). Designed for easy exhalation, this assembly features a proprietary exhalation valve that significantly improves breathing comfort. The unique valve cover design not only offers superior protection against debris but also extends the life of the exhalation valve. Compatible with 3M™ Full Facepiece Respirators 6700, 6800, and 6900, this assembly includes one 3M™ Center Adapter Gasket 6896 and one 3M™ Exhalation Valve 7583, ensuring a secure and effective seal for optimal performance. Invest in reliable respiratory safety with this essential 3M component.