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For Asthma Monitoring. Quickly measures respiratory capacity; assists in early detection of asthma attack; compact design, can be used anywhere; for individual patient use. Contains: 1 Peak Flow Meter, 1 Reusable Mouthpiece, 1 Instruction manual with peak flow diary. Model PF9940. Made in USA.
For Asthma Monitoring: Instructions are printed directly on the meter. Your peak flow zone ranges and emergency medical information can be written on an attached label. Reusable mouthpiece and peak-air peak flow meter are easy to clean. Accuracy has been verified by an independent testing laboratory to meet NAEP standards.
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