Omron PF9940 PeakAir Peak Dual Flow Range Meter
Accurately measures peak expiratory flow rate (pefr), or how quickly air is leaving lungs
Instant readings help track changes in air flow
Compact design for Discreet use
Assists detection of pending asthma attack
Dual flow range accurately measures for both adults & children
Product Description
Assists in early detection of asthma attacks by accurately measuring peak flow Dual flow range for adult and children Compact design can be used anywhere