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Omron PeakAir Peak Flow Meter is used to measure your Peak Expiratory Flow Rate which is simply the highest speed you can blow air from your lungs. The compact design allows you to check your PEFR discreetly any time you want and assists detection of a pending asthma attack. Instant readings help you track any changes in your airflow. Its dual flow range accurately measures for both adults and children.
There are three color zones of Omron peak Flow Meter
1 year warranty
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