Video FAQ – Caring for the Filters in Your CPAP System

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How to Care for Your CPAP Filters

Cleaning and maintaining the filters in your CPAP system is critical to the proper operation of your unit, the life of the unit itself, and to your health. In this video, Dr. Popper offers clear, simple instructions on how to clean and care for your CPAP filters in order to realize the longest possible use. This video FAQ series was produced to answer your general questions about obstructive sleep apnea and other sleep disorders. If you have questions regarding your specific condition, feel free to get in touch with Dr. Popper using the contact information below. Also, please subscribe to our YouTube channel to be alerted when a new FAQ video is posted. If you need information quickly, feel free to Contact us here on the site or on our Facebook page. We'll get back to you as quickly as possible.

How Do I Care for the Filters in My CPAP System?

I advise patients to check the filters in their CPAP systems at least once weekly. If you have the white washable filters, as soon as they start to discolor, turn grey, or yellow, or brown, they should be thoroughly cleansed, air dried, and placed back in the filters..

If you have a black disposable filter, the frequency with which these need to be changed depends on your home environment. If you have carpeting or pets, you're going to have more dust and danders that are clogging up the filter and you'll have to change them more frequently. If you have wood floors or ceramic floors, and no pets, the filters will last longer.

Generally speaking, depending on your home environment, the disposable filters should be changed every two to four weeks. But make sure you check your filters at least weekly.


Dr. Ronald A. Popper is a Board Certified sleep specialist. The Southern California Pulmonary and Sleep Disorders Medical Center in Thousand Oaks, California is a four bed, state of the art, fully accredited sleep disorders center. Dr. Popper is available at (805) 557-9930 to answer any questions you have regarding diagnosis and treatment of all sleep disorders, including obstructive sleep apnea, restless limb syndrome, insomnia, narcolepsy, and others.

Watch the video above, and then Click Here to schedule an appointment with Dr. Popper if you would like to talk about how you can stop snoring, address your obstructive sleep apnea or discuss any other sleep disorder.

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