Learn how to use this product Multi Sorenson is our oldest brand of pipette tips. The non-filtered low-binding 1250 µl tips fit the commonly used 1000 µl pipettors from Gilson, Eppendorf, Thermo Finnpipettes, and other suppliers. The QuickRack pipette tips offers a budget-friendly option and enables you to use it easily and reduces the use of plastic racks. The Extended length 103 mm is ideal for pipetting from deep vessels.