2ml Serological Pipette with 0.6ml negative graduation, 1/100 ml graduations, Individually Plastic-plastic Wrapped, sterile, 50/bag, 400/pk, 2400/cs - 325003Individually Plastic Wrapped. 400 pk, 2400 cs Made from high clarity polystyrene. Non pyrogenic, non cytotoxic and non hemolytic. Free from RNase and DNase enzymes. E Beam Sterilized. Volumetric accuracy of 2% Negative graduations to accommodate additional working volume. Polyolefin fiber filter helps to reduce contamination. Colored bands on the edges help decipher pipettes of different volumes.