• Designed for accurate and rapid fluid dispensing, these polystyrenepipettes are sterile, pyrogen free and cotton plugged for a variety ofliquid handling applications.• The sharp, black, highly legible permanent graduations preventambiguity and guarantee precise reading and accurate dispensing to+1-2%. Reverse graduations show volume removed or remaining on allpipettes larger than 1mL.• Generous negative graduations provide additional pipetting volume.• Each pipette comes with effective filter barrier to prevent overflow ofliquid into pipette.• Designed to fit all available motorized pipette controllers on themarket.