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75ul Pipettor, is used for collecting the serum/plasma from the previously span blood.
You would have needed to separate the plasma from the blood using the centrifuge machine (some people know this as a blood spinner)
You then use the plasma on your wondfo test strip, taking 0.75ul out of your pipettor.
You will receive 5 free pipettor tips with this item, however, can purchase a bag of 1000 separately.