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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
• Quiet operation
• BP averaging to help ensure accurate hypertension diagnosis
or in the case of non-toxic nodular goitre
• Unique Heine LED
QRS 3L Calibration Syringe Cohesive Bandages • Quiet operationQRS 3L Calibration Syringe is suited for use with the QRS Orbit Spirometer. Although QRS spirometers cannot be calibrated in the field, the syringe allows you to check your calibration. According to ATS Guidelines, the volume accuracy of the spirometer must be checked at least daily.
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