FDA cleared for over the counter use | Can be used up to 150 times | Compatible with Omron electro therapy device only | Contains 2 long life replacement pads | Packaging may vary (same tens pads inside)
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