Search results for: 'engineering science n3 module 2'
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Pulse oximeter on the finger to measure the level of oxygen in the blood, a new high-precision sensor!Special Price $76 Regular Price $87 -
Finger pulse oximeter for measuring blood oxygen and pulse, batteries includedSpecial Price $61 Regular Price $72 -
Finger pulse oximeter for measuring the level of oxygen in the blood, a new high-precision sensor!Special Price $59 Regular Price $69
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Finger pulse oximeter for measuring the level of oxygen in the blood, a new high-precision sensor!Special Price $59 Regular Price $69
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Finger pulse oximeter for measuring the level of oxygen in the blood, a new high-precision sensor!Special Price $64 Regular Price $75