![Pharmacist demonstrating how to use a peak flow meter](https://www.mylungsmylife.org/wp-content/uploads/peakflow_meter_pharmacist.jpg)
Pharmacist demonstrating how to use a peak flow meter
Your GP or asthma nurse should be able to provide you with a peak flow meter.
It should continue to give reliable results for up to 3 years or as per manufacturers instructions.
Your peak flow meter should be cleaned as per manufacturers instructions.