Standard cotton-plug type, but plug is not supplied. N-51A glass. Designed from ASTM E1044, Style II requirements. Pipets are calibrated to tip; with volume adjusted for blowing out the last drop. Designated by a ground band near the top. Sizes 5 mL and larger are constricted to retain plug, but…

Open ended pipettes are just like the standard individually wrapped pipettes, but without the tip. The wide end opening is ideal when pipetting thick or viscous liguids, liquids that contain particulates which could block a standard tip pipette, or in applications where speed is critical. Supplied…