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Amazon.com: Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro,(Red-Orange) : Health & Household
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Innovo Deluxe Sporting/Aviation Fingertip Pulse Oximeter with Plethysmograph and Perfusion Index - Walmart.com
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Fingertip Pulse Oximeter Finger Blood Oxygen Saturation Monitor SpO2 Level Heart Rate Monitor - Walmart.com
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