StacksVerified U.S. regulatory reference

21 CFR §868.5260

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. A breathing circuit bacterial filter is a device that is intended to remove microbiological and particulate matter from the gases in the breathing circuit.
  2. (b)Classification. Class II (performance standards).