3M™ Exhalation Valve, 6889 - 1 Per Case Bacteriostatic as well as general-purpose cleaning

as well as general-purpose cleaning and drying

Classroom Essential – Ideal for teachers

Designed to prevent spillage

Easy to fold and store flat

3M™ Exhalation Valve, 6889 - 1 Per Case Bacteriostatic as well as general-purpose cleaning3M Exhalation Valve, 6889 1 Per Case The 3M Exhalation Valve 6889 is to be used with 3M Half Facepiece Respirators 6000 Series only. Replacement part can extend respiratory equipment service life. Features: Recommended for 3M Half Facepiece Respirator, 6000 Series (sold separately). Replacement part may extend service life of facepiece. Replaceable part can potentially result in respiratory equipment cost savings. Quick and easy to fit.