3M 6000 Series Full Face Respirator (6700 / 6800 / 6900) — Reusable Tight-Fitting APF 50 Facepiece Size:Medium If you need to hear

If you need to hear ambient sound or commands

Use case Fit Buyer guidance Primary code-compliant CO detection Strong fit UL 2034 (5th Edition) tested

If your work involves any risk of contact with electrical conductors

Do not buy the 3M 2091 if any gas or vapor is present in your air

3M 6000 Series Full Face Respirator (6700 / 6800 / 6900) — Reusable Tight-Fitting APF 50 Facepiece Size:Medium If you need to hearEDITORIAL REVIEW: 4. 5 5 WC Safety Review 3M 6000 Series Full Face Respirator 6700 6800 6900 Editorial assessment by Steven Eaton, WC Safety editor, based on published 3M specifications and category fit. We did not laboratory test this product. CHECK PRICE ON AMAZON SHOP RESPIRATORY PROTECTION As an Amazon Associate, WC Safety earns from qualifying purchases. Full affiliate disclosure. 3M 6000 Series Full Face Respirator (6700 6800 6900) Reusable