Medically reviewed by Daniel More, MD A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you ...

The PF9940 PeakAir® Peak Flow Meter is an integral component of asthma management programs. It is suitable for patients of all ages, the PeakAir assists in monitoring the patient’s maximum ...

OMRON light Personal Peak Flow Meter is used for accurate monitoring ... PEF measurements are part of asthma-management programs.