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🌬️ Breathe Better, Live Smarter — Your Personal Respiratory Coach
The Nascool Peak Flow Meter delivers high-precision PEF and FEV1 measurements using a pressure differential sensor, meeting ATS ERS WRIGHT standards. Its portable, easy-to-clean design suits adults and children over 6, supporting multiple users. With a dedicated asthma diary app for manual symptom and medication tracking, it empowers proactive respiratory health management. The package includes everything needed for comprehensive monitoring, making it a must-have for asthma sufferers and health-conscious individuals alike.





| Best Sellers Rank | #3,857 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Flowmeters |
| Customer Reviews | 4.4 out of 5 stars 676 Reviews |
M**H
Good product
Nice thing to have to keep eye on asthma. Works as expected.
A**R
Easy to use.
Easier to use than the “column tube” ones. Easy to store.
Z**E
No Bluetooth capability
Will not sync to my phone. No Bluetooth capability. I must manually enter. Easy to use and overall good.
A**R
Just a good peak flow meter
Works fine
D**Y
Easy & accurate.
Easy to set up and appears accurate.
P**R
A Good Product But Not What I was Looking For
It was the wrong product for me. It is best for people with breathing conditions like asthma. I returned it.
W**D
Great compact device!
As a respiratory therapist, I've used a number of peak flow meters- this one is amazing and great for home use. Small, easy to use and no moving parts. It's easily cleaned and stored, with an easy to read screen. Perfect for travel and carrying to work or school.
C**E
If it’s too low you will not be allowed to get your allergy shots
REALLY SIMPLE TO USE
K**D
Good
Nice device
V**.
Muy bien medidor
Excelente aparato, descargué la app y aunque no se puede conectar x Bluetooth pones la medición y sirve muy bien
A**A
device wrong results
i have bought this device for my son he has asthma,It is showing always wrong results and i have tried so many times to connect to my phone but cannot find my phone.... i dont know i think its a waste of money and time i will try to return this device
D**Z
Requiero urgente de la factura
El aparato funciona bien, pero requiero una factura para comprobar ante el seguro de gastos médicos pero no puedo generarla. Necesito su ayuda
Trustpilot
2 weeks ago
5 days ago