StacksVerified U.S. regulatory reference

21 CFR §868.5330

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A breathing gas mixer is a device intended for use in conjunction with a respiratory support apparatus to control the mixing of gases that are to be breathed by a patient.
  2. (b)Classification. Class II (performance standards).