Peak flow meters allow patients to monitor their asthma; Peak Expiratory Flow (PEF) is a measurement of how fast a patient can blow out. When a patient is well their PEF is higher, when the airways are narrow (as in asthma) PEF is lower.
Scale ranges from 60-800 l/min
Scale available in three colours for easy readings
Hand calibrated for absolute accuracy
Easy to clean, lightweight and portable
Suitable for both home and clinic use, also suitable for most adults and children.