3M 6889 Exhalation Valve for Mask 6100 6200 6300
- Approved 3M replacement part
- Recommended for 3M Half Facepiece Respirator 6000 Series (sold separately)
- Replacement part can extend service life of facepiece
- Replaceable part can potentially result in respiratory equipment cost savings
- Valve maintains original service performance of facepiece
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