I was wondering how often you clean the Mouthpiece and how many times you change it?
Also, how many years are you using the peakflow tool without changing it? I was reading that after 3 years the results can be not accurate, I was wondering if you had any experience.
Thank you
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Arianna_VoiceMed
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I use mine rarely, so I wash the mouthpiece each time. But thanks for the advice about the “shelf-life” - I seem to have accumulated 3, so I’ll dispose of the old one.
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