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My filter keeps getting clogged up, how do I wash it?
Question:
How often should I wash my CPAP filter?
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There is a small hole at the back of the CPAP pump where room air is sucked in through a small filter. The filter is made of spongy material that stops dust being pulled into the machine. This filter should be dusted, vacuumed or cleaned with warm water and a mild detergent, depending on your CPAP model, on a monthly basis before being air-dried. Your sleep centre can advise whether you have a filter that can be washed, or whether it needs to be vacuumed.
Filters usually last between six months and a year, but may need replacing more regularly if you have a particularly dusty house. If you have allergies, asthma or hay fever you can purchase hypoallergenic filters that prevent fine particles such as pollen from entering your machine and airways.