Digital electronic and mechanical peak flow meter/scale, Asthma Monitor, FEV1, F

Peak Flow Meter (PFM) is an ideal tool for both adults and children to find early warning signs for asthmatic attacks. According to the classified color system defined by the American Lung Association, patients to self-monitor and pass information back to their doctor or nurse. Doctors and health practitioners can develop an asthma management plan based on the green-yellow-red zones.