Description_x000D_ General description_x000D_ Sartorius makes pipettor tips for use with all Sartorius and most other brand pipettors providing excellent reproducibility and accuracy. All tips and trays are autoclavable. Sartorius Standard Tips of the Biohitfamily are made of premium-grade virgin polypropylene._x000D_ The tips are available in autoclavable (121°C; 20 min; 1 bar) Single Tray boxes (as certifed RNase, Dnase and endotoxin free), in space saving System and in Bulk packages. Electron beam pre-sterilized tips in trays are also available.