Replacement part for 3M Full Facepieces 7800S. Keep your 3M Resusable Respirator well maintained and ready for use with 3M Resusable Respirator Exhalation Valve Assemblies. They are easy to fit and helps increase the effective service life of your 3M Reusable Respirator. Our exhalation valve replaces damaged or worn exhalation valves, and it’s specially designed for use with 3M Reusable Respirators. 7000125987 - 50051138087437
