Sammons Preston Buhl Spirometer Replacement Mouthpieces, Pack of 500

Features of the Sammons Preston Buhl Spirometer Replacement Mouthpieces:

This lightweight, cost-effective spirometer utilizes disposable mouthpieces to facilitate screening large groups.

Indicator needle records forced vital capacity up to 7 liters and stays at peak reading until reset.

Ideal for use as an incentive exerciser for clients with respiratory dysfunction.

Weighs 6 oz.

Latex free.