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SmartHeart Pulse Oximeter | Blood Oxygen Saturation | Complete System Monitor Lanyard and Batteries, White/blue - Walmart.com
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BLT M50 Oximeter Finger with Pulse, Blood Oxygen Meter Finger, Pulse Oximeter Fingertip, Saturation Monitor with SpO2, Plethysmograph and Perfusion Index, Batteries Included (White)
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Amazon.com: Fingertip pulse oximeter, large LED screen heart rate monitor, oxygen monitor fingertip, accurate and rapid reading, pulse oximeter with lanyard [silver white] : Health & Household
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Finger Pulse Oximeter [BM1000] : ID 4580 : $19.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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