Inexpensive spirometer for screening large populations. Subject blows into disposable mouthpiece. Indicator registers forced vital lung capacity up to 7 liters. Reading stays at maximum until reset. Use as an incentive exerciser for respiratory problems. Weighs 6 ounces. Spirometer comes with 50 mouthpieces.
The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. By clicking 'I Understand', you consent to 'allow all cookies'. If you want, you can change your settings at any time by visiting our cookies page. More About Cookies