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Get Up to 25% OFF PPE MasksGowns * Limited time only.
SLI MEDICAL IS A WHOLESALE SITE! WE ONLY SELL TO QUALIFIED FACILITIES (Such As Hospitals, Physician Offices, & Distributors). All Addresses are Verified.
Subject blows into disposable mouthpiece
Indicator registers forced vital lung capacity up to 7 liters
Stays at maximum until reset
Comes with 50 plastic mouthpieces
can be used as an incentive spirometer