---
kind: "section"
citation: "42 C.F.R. § 84.72"
title: "42"
number: "84.72"
heading: "Breathing tubes; minimum requirements."
url: "https://uscodex.org/cfr/42/84.72"
---

# §84.72. Breathing tubes; minimum requirements.


Flexible breathing tubes used in conjunction with breathing apparatus shall be designed and constructed to prevent:

- (a) Restriction of free head movement;
- (b) Disturbance of the fit of facepieces and mouthpieces;
- (c) Interference with the wearer's activities; and
- (d) **Shutoff of airflow due to kinking, or from chin or arm pressure.**

## 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.