---
kind: "section"
citation: "42 C.F.R. § 84.112"
title: "42"
number: "84.112"
heading: "Canisters and cartridges in parallel; resistance requirements."
url: "https://uscodex.org/cfr/42/84.112"
---

# §84.112. Canisters and cartridges in parallel; resistance requirements.


Where two or more canisters or cartridges are used in parallel, their resistance to airflow shall be essentially equal.


## 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.