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Amazon.com: iProven Finger Pulse Oximeter, Blood Oxygen Monitor which Measures Respiratory Rate, Oxygen Saturation (SpO2), Perfusion Index and Pulse Rate, Includes Batteries and Lanyard - Oxi-33 : Health & Household
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Wellue Fingertip Pulse Oximeter for Oxygen Levels Monitor and Pulse Rate Measure,Lanyard and Batteries Included,FS20C - Walmart.com
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