Protection against contamination The Safetyspace® tip filter acts as a barrier against aerosol or liquid cross-contaminations and reduces the need for pipette maintenance. High Accuracy and Precision The pipette and the pipette tip are a system. The Safetyspace® Filter Tips are designed and manufactured to perfectly fit Sartorius pipettes, enabling maximal accuracy and precision. The unique Safetyspace® between the sample and the filter enables the use of the full volume of the tip with any pipetting mode without the risk of the sample absorbing into the filter. Certified to be free of RNase, DNase, and Endotoxin Tips and racks are E-beam pre-sterilized in accordance with ISO 11137 and validated with SAL (sterility assurance level) of 10-6.  Every production batch (lot number) of tips is certified free of DNase, RNase, and endotoxins.