Respironics Inc Personal Best® Full Range Peak Flow Meter 6-1/2" L x 2" W x 4/5" H, Weight 3Oz, Accuracy ±10% or 20 L/min, Reproducibility: Less than 5% or 10 L/min

The Respironics Personal Best peak flow meter is an affordable device that can help you control your asthma. Daily measuring of how quickly you can expel air from your lungs can assist you in managing your condition. With a lightweight, self-contained, portable design, high legibility scale and three-zone management system, this meter puts peak flow monitoring at your fingertips all day long. Plus the rugged construction helps this unit stand up to the roughest use. The Personal encourages compliance with a comfortable oval mouthpiece and easy to use built-in handle. Includes Respironics Personal Best peak flow meter.

• Handle converts into a carrying case for ultimate portability and protection.
• Built-in flexible three-zone management system and easy-to-read numbers. The integrated three-zone asthma management system helps patients comply with treatment regimens. The color-coded indicators (located to the right of the scale) can be adjusted to delineate a patient's green, yellow, and red zones based on personal best peak flow.
• Safety mouthpieces reduce the risk of cross-contamination during multi-patient screening, and the one-way valve prevents patients from inadvertently breathing in air through their meters during peak expiratory flow rate testing.
• Accuracy and reproducibility assured for a minimum of two years.
• 100% of Personal Best units are quality-control inspected at the factory before shipment.