Product Code: 251453
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  TRUZONE Peak Flow Meter
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Peak Flow Meter

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The TruZone Peak Flow Meter is a tool to check how your lungs are performing, so that you can have a better indication whether to take your medication or call your doctor. The meter measures Peak Expiratory Flow, which is the fastest speed you can expel air from your lungs after a deep breath.

Readings are higher when you are well and lower when your airways are constricted. Peak Flow can also act as an indicator that you may soon have an attack, even if you aren't currently experiencing symptoms.