This pipetting device pro-vides an easy, precise way of filling and releasing liquid. By rotating the knurled thumb wheel the liquid is drawn up or dispensed. The soft elastic chuck has a threaded collar that secures the plastic or glass pipette to the device. Sizes are color coded. Fits standard or disposable pipettes and diposable serological tooled-mouthpiece pipettes as per ASTM Standard E714-80.
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