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How doe this work if you are using the ResMed P30i frame? Will the frame stay in place?
I have a chin strap that l have never used, but think I need to start using it. How often does it need to be replaced?
what the heck is this for ? Chin strap that doesn’t hold anything
How doe this work if you are using the ResMed P30i frame? Will the frame stay in place?
I have a chin strap that l have never used, but think I need to start using it. How often does it need to be replaced?
what the heck is this for ? Chin strap that doesn’t hold anything