---
kind: "section"
citation: "42 C.F.R. § 84.111"
title: "42"
number: "84.111"
heading: "Gas masks; required components."
url: "https://uscodex.org/cfr/42/84.111"
---

# §84.111. Gas masks; required components.

- (a) Each gas mask described in [§ 84.110](/cfr/42/84.110.md) shall, where its design requires, contain the following component parts:
  - (1) Facepiece or mouthpiece and noseclip;
  - (2) Canister or cartridge;
  - (3) Canister harness;
  - (4) External check valve; and
  - (5) **Breathing tube.**
- (b) The components of each gas mask shall meet the minimum construction requirements set forth in subpart G of this part.

## 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.