Class A, USP, certified single-volume bulb pipette. High Contrast blue enamel represents the optimum combination of resistance and readability. Available in all ISO sizes from 0.5mL – 100mL. Made of AR-GLAS. The optimized flow geometry in the tip ensures reliable liquid dispensing from the pipette. The mechanical resilience of the tip and its fire-polished edges ensures a long service life. All BLAUBRAND USP bulb pipettes are supplied with a batch number and an accompanying USP batch certificate in the original packaging.