Frequently Bought Together
Description
- Accurately measures peak expiratory flow rate (pefr), or how quickly air is leaving lungs
- Instant readings help track changes in air flow
- Assists detection of pending asthma attack
- Dual flow range accurately measures for both adults & children
flow meter volume
Common Questions
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Excellent communication throughout the order process. Product is perfect.
2 weeks ago
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