Are you looking for a professional and afable vital capacity meter? Do you need a sturdy, reliable tool that can perform multiple functions? Look no further. This professional peak flow spirometer is designed to meet your needs and is an excellent choice for monitoring respiratory health. Features: - Color: As shown - Material: ABS - Size: 15 x 5 x 3 cm - The spirometer is a portable, hand-held device that measures your ability to exhale air from your lungs and provides an accurate assessment of airway ventilation - Ideal for athletes, individuals with asthma, oxygen users, and those engaged in exercise - Dual flow range accurately measures peak flow for both adults and children - Provides instant readings to track changes in airflow for early detection of respiratory issues - Durable construction for long-term use - Helps in the early detection of asthma symptoms by measuring peak expiratory flow rate Packing list: 1 x Peak Flow Meter