Regular monitoring of your PEF 'Peak Expiratory Flow' with our Peak Flow Meter for Adults is extremely useful for controlling diseases of the airways such as asthma, chronic obstructive pulmonary disease (COPD), or chronic bronchitis. 

Features:

• Helps monitor respiratory conditions
• Measures PEF (Peak Expiratory Flow)
• Blue Range: 60-800 L/min
• Red Range: 50-400 L/min
• Colour-coded area to write healthcare professional provided ranges
• Traffic Light Indicator