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Contec CMS50DL Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor ( SpO2) with Pulse Rate Measurements and Bar Graph, Digital LED Display, Blue - Walmart.com
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Pulse Oximeter Fingertip for Adults - Oximeter Blood Oxygen Saturation Monitor (SpO2) with Heart Pulse Rate - Portable Finger Pulse Oximeter - Digital Oxygen Meter Finger, Oximetro, Batteries Included
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