3M 7800S-L Full-Face Respirator Review: Large Size (2026)
Verdict: 4.5/5. The 3M 7800S-L is 3M's only Large full-silicone full-face — the right pick for larger-faced workers in abatement, shipyard, or decon programs. Large full-face respirators need careful fit testing: verify fit on the Medium first. Loses points for the heaviest weight in the 3M lineup and fit-test complexity at Large size.
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