The lightweight, cost-effective Buhl 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 rest. The spirometer is ideal for use as an incentive exerciser for clients with respiratory dysfunction. 

• Lightweight and cost-effective
• Indicator needle
• Ideal for use as an incentive exerciser for clients with respiratory dysfunction
• Weights 6 oz (27 grams)
• Latex free
• Comes with 50 disposable mouth pieces