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Why is my ResMed P10 mask making a whistling or hissing noise?Updated 2 months ago

Issue: A whistling sound often comes from the vent holes clogging with debris or moisture buildup.

Solution: Clean the mask regularly, ensuring the diffuser vents are clear. If condensation is the issue, try using a heated hose or a hose cover to reduce moisture buildup. 

Cleaning the vents will also make it easier to exhale. 

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