Omron PeakAir Peak Flow Meter. This Flow Meter is used to measure your “Peak Expiratory Flow Rate,” which is simply the highest speed you can blow air from your lungs. Box includes a peak flow meter, reusable mouthpiece, instruction manual and a peak flow diary. 6/box.
Manufacturer Part Numbers: PF9940
GRP:GRV
Manufacturer Part Numbers: PF9940
GRP:GRV