This RoboRack robotic pipet tip is for Packard MPII and Janus systems. Accuracy and precision testing is performed for every manufacturing lot using the finest automated systems in the industry. Certified RNase, DNase, and endotoxin free. Filtered. Pre-sterilized. Volume: 25 microliter. Color: Clear. Corning Axygen #: RRF-25-C-R-S.