Truzone peak flow meter.
Reliable management of peak expiratory flow (PEF) helps keep patients safe and in control of their asthma. ColorZone® tape and three-zone asthma management system peels and sticks directly onto the TruZone® PFM helping patients monitor their PEF and comply with their physicians instructions. Internal indicator delivers tamper proof readings and reliable zone settings. Unique ergonomic body shape and small size facilitate patient compliance. BPA Free, Latex Free. Sold separately.
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