StacksVerified U.S. regulatory reference

21 CFR §890.5940

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identification. A chilling unit is a refrigerative device intended for medical purposes to chill and maintain cold packs at a reduced temperature.
  2. (b)Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter, subject to the limitations in § 890.9