High quality tips with graduation lines of 100, 500 anb 1000 µl serving as a visual reference to minimize errors during sample aspiration. Human DNA-free and certified free from DNase, RNase and PCR inhibitors. Innovative internal geometry making a universal compatibility with virtually all brands of micropipettes including EASY, Gilson, HTL, Biohit, Eppendorf, CAPP, Finnpipette, Rainin, Socorex and Nichiryo. Packaged in sterile polypropylene racks and bags of 1000 non-sterile tips. Natural color. Certificate of sterilization included (to be downloaded free of charge here)