Omron PF9940 Adult/Pediatric Peak Air Flow Meter. This Portable air flow meter aids in asthma management, respiratory conditions treatment, and asthma attack warnings. It displays Instant readings and is compact so that it can be used anywhere. The 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. Your physician or other licensed healthcare professional has recommended that you use a Peak Flow meter to monitor changes in your airflow.
