The Vitalograph Lung Age is a motivational tool for smoking intervention by healthcare professionals. Quick and simple to use, the Lung Age interprets lung age to help illustrate the impact of smoking on the subject?s lungs. The Lung Age measures FEV and displays as a percentage of predicted values with colour zones that indicate abnormality level. The Vitalograph Lung Age is made with an easy to clean flowhead and can be used with hygienic SafeTway mouthpieces.