DeVilbiss Peak Flow Meter (12 per pack)

Ergonomic design eliminates user confusion and misuse. The reusable mouthpiece attaches to the POCKETPEAK® for secure storage. POCKETPEAK® is so compact and easy to use it encourages patient compliance. POCKETPEAK® Flow Meter meets or exceeds all NAEP and NHLBI standards and repeated testing over thousands of cycles demonstrates unsurpassed consistency, accuracy and repeatability of readings.