Pipette Tips have smooth, hydrophobic surfaces to ensure accurate pipetting Multiple Pipette Tip sizes are available, including extended length tips (10µL and 1000µL) to allow better access to the bottom of test tubes, reagent bottles, flasks and other vessels Pipette Tip racks feature hinged lids that are designed for easy one-handed opening, making it easier to access repeatedly Pipette Tips are universal fit and compatible with major pipettes Filters reduce cross contamination and prevent aerosols from penetrating into the pipette, and are positioned to allow extra headspace when pipetting maximum volume Fine tip for improved accuracy and precision Molded volume reference markings offer a quick double check opportunity