Smart Peak Flow - Cool Graphite - SmartPeakFlow
Shipping in the UK & Ireland available from February 1, 2019. Currently not available to US and Canadian addresses. Xiaomi smartphones are currently not supported. Minimum requirement: iOS 10.0 or Android 5.0. Keep an eye on your lung function with a peak flow meter. The Smart Peak Flow device measures how much air you can force out of your airways, which is an objective indicator of the state of your asthma. The package contains one Smart Peak Flow mouthpiece.
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