A portable and easy-to-use device that measures a person's peak expiratory flow rate, mainly use for managing symptoms and/or monitoring treatment efficiency on patients with asthma, this can also be recommended for patients with chronic obstructive pulmonary disease.

Features and Benefits:

• Lightweight design with easy to grip handle.
• Mouthpiece size is convenient use for either pedia or adult.
• Clearly labeled numerical scale with indicator arrows for easy monitoring.
• With monitoring table for tracking.
• Allow patients to personally measure day-to-day changes in their breathing