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Vyaire Medical Airlife® Volumetric Incentive Spirometers - Vyaire CRF-001902ASpirometer, w/o One-Way Valve, 4000ml, 12/cs (Continental US Only)
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Reviews
Arrived very quickly. It was just what I was looking for and with a more approachable value.
Great timely service, will use again.
Great replacement battery!, it even has an expiration on it so that I know when to change it in 5 years. Last ones I purchased from another seller was garbage.
Good turn around time
Great product and service
Everything is as expected.