Philips Respironics Personal Best Peak Flow Meter enables users to accurately monitor their lung function. The 3-zone traffic light system makes understanding peak flow readings quick and simple and when used as part of an asthma action plan could help patients to manage their asthma. The color-coded indicators (located to the right of the scale) can be adjusted to delineate a patient’s green, yellow, and red zones based on personal best peak flow.

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