Compact, lightweight Buhl Spirometer for screening large populations. Subject blows into disposable mouthpiece. Indicator registers forced vital lung capacity up to 7 liters. Comes with 50 plastic mouth pieces. Inexpensive Buhl Spirometer for screening large populations. Subject blows into disposable mouthpiece.

Product Specifications:
• 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
• Singles

Buhl Spirometer (50 Mouth Pieces) by Fabrication Enterprises