BIOS Peak Flow Meter - Digital Asthma Monitor for Adults & Kids - Portable Lung Function Tester for Home Use - Track & Manage Respiratory Health - Perfect for Asthma, COPD & Allergy Sufferers

Regular monitoring of your PEF (Peak Expiratory Flow) is extremely useful for controlling diseases of the airways such as asthma, COPD, or chronic bronchitis.

Features

• Helps monitor respiratory conditions
• Colour coded area to wrist healthcare professional provided ranges
• Traffic light indicator

Available in two sizes

• Adult - 60-800 L/min
• Child - 50-400 L/min