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
Customer service was outstanding when I had questions about the product.
2 days ago
Good experience, but the tracking updates could be better.
2 months ago
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Trusted payment options loved by worldwide shoppers.
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