Assists in early detection of asthma attacks * Accurately measures peak flow * Reusable mouthpiece included with unit * Zone markers for easy reference * Dual flow range for adults and children * Ranges from 0-800 L/M * Accuracy has been verified by an independent testing laboratory to meet NAEP (National Asthma Education Program) standards
Online Price: $32.15Original price was: $32.15.$17.69Current price is: $17.69.
