U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
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All TitlesTitle 21Chapter IPart 880Subpart F - Subpart F—General Hospital and Personal Use Therapeutic Devices
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(a) Identification. A medical recirculating air cleaner is a device used to remove particles from the air for medical purposes. The device may function by electrostatic precipitation or filtration.
(b) Classification. Class II (performance standards).
