Microlife (Deluxe Kit) Digital Peak Flow Meter Tests PEF / FEV1 / Early Detection of Asthma Attacks | Spirometer for Kids & Adults | Perfect for Monitoring Asthma, COPD & other Lung Conditions at Home
3 Washable Mouthpieces and Washable Wind Tube - The wind-tube and mouth-pieces are removable for easier cleaning, reconnect fully and blow to take measurements