{"data":{"id":"us/21-cfr-868.5450","jurisdiction":"us","citation":"21 CFR 868.5450","heading":"Respiratory gas humidifier.","body":"(a) Identification. A respiratory gas humidifier is a device that is intended to add moisture to, and sometimes to warm, the breathing gases for administration to a patient. Cascade, gas, heated, and prefilled humidifiers are included in this generic type of device.\n(b) Classification. Class II (performance standards).","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 868—ANESTHESIOLOGY DEVICES","Subpart F—Therapeutic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"836d1e43eac2bb136b9f70fbd7206ce2eac67d283304ffae23993fceea457421","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-868.5440","next":"us/21-cfr-868.5454"},"notice":"GroundRules: Original legal text. Not legal advice."}