CSA C22.2 NO. 80601-2-74:23

Medical electrical equipment — Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equipment (Adopted ISO 80601-2-74:2021, second edition, 2021-07, with Canadian deviations)
standard by CSA Group, 03/28/2023

CSA C22.2 NO. 80601-2-90:23

Medical electrical equipment — Part 2-90: Particular requirements for basic safety and essential performance of respiratory high-flow therapy equipment (Adopted ISO 80601-2-90:2021, first edition, 2021-08, with Canadian deviations)
standard by CSA Group, 03/28/2023