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Results 1 - 1 of 1 for Residue
  1. Continuous Positive Airway Pressure (CPAP) Machine Cleaning: Ozone, UV Light Products Are Not FDA Approved Video (Food and Drug Administration)  
    ... of vinegar and water. If there is visible residue on the mask or hose connectors, you can ...
    https://www.fda.gov/...-ozone-uv-light-products-are-not-fda-approved - Videos