breathewell® Lung Performance Peak Flow Meter Handheld Medical Device, Measures Peak Expiratory Flow (PEF) Rate, Measure Lung Performance, Record Readings Using Included Paper Log, Three Zone markers

Quest AsthmaMD Lung Performance Peak Flow Meter Measure Lung Performance Designed for both children and adults Handle folds down for convenient use Measures range from 60 to 810 liters per minute Two adjustable indicators set red, yellow, green zones Use AsthmaMD app to better manage your asthma OA60-810 Features: -Full range meter, designed for both children and adults. -Measuring range from 60 to 810 liters per minute. -Two adjustable zone indicators that correspond with the red, yellow, and green zones of a user's asthma action plan. -Ergonomic mouthpiece and curved contours makes it simple to use and comfortable for patients of all ages. Dimensions: Overall Height - Top to Bottom: -0.9 Inches. Overall Width - Side to Side: -8 Inches. Overall Depth - Front to Back: -5.8 Inches. Overall Product Weight:

Package includes: Ergonomic mouthpiece Intended use: Measures how well one's lungs are able to expel air Power source: Manual