Gilson PIPETMAN® Filter Tips play a critical role in preventing aerosol-borne contamination. High-density polyethylene filter stops particles down to 1µm, providing an effective barrier against aerosols. PIPETMAN® Filter Tips are designed to meet the most stringent demands in various fields and applications such as PCR, molecular biology and cell technology. Sterilized filter tips are certified free of detectable RNase, DNase, DNA, RNA and Protease.