250 additional disposable mouthpieces Product ID. BSPIR disp
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.
17791 Fjord Dr NE, Suite 156 Poulsbo, Washington 98370 United Statesbr>
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