---
kind: "section"
citation: "42 C.F.R. § 84.75"
title: "42"
number: "84.75"
heading: "Half-mask facepieces, full facepieces, mouthpieces; fit; minimum requirements."
url: "https://uscodex.org/cfr/42/84.75"
---

# §84.75. Half-mask facepieces, full facepieces, mouthpieces; fit; minimum requirements.

- (a) Half-mask facepieces and full facepieces shall be designed and constructed to fit persons with various facial shapes and sizes, either:
  - (1) By providing more than one facepiece size; or
  - (2) By providing one facepiece size which will fit varying facial shapes and sizes.
- (b) Full facepieces shall provide for the optional use of corrective spectacles or lenses which shall not reduce the respiratory protective qualities of the apparatus.
- (c) Apparatus with mouthpieces shall be equipped with noseclips which are securely attached to the mouthpiece or apparatus and provide an airtight seal.
- (d) Facepieces shall be designed to prevent eyepiece, spectacle, and lens fogging.

## Notes

### Authority

Authority: 29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.

### Source

Source: 60 FR 30355, June 8, 1995, unless otherwise noted.