Protect against cross-contamination using these filter pipette tips. Filters are manufactured of 100% pure porous polyethylene, and designed to prevent liquids and aerosols from entering the body of the micropipette. Best suited for biological applications, these tips are non-cytotoxic, non-hemolytic, and have 99.9% Bacterial Aerosol Filtration Efficiency (BFE). Tips are manufactured from ultrapure USP Class VI certified, virgin polypropylene. DNase, RNase and Pyrogen free. Additional Info: Filter Micro Tips, 100-1000 Ul Package Size(L x W x H): 9 X 6 X 7 (IN) Categories: Pipettes, Tips HTS Code: 3926.90.9910 UNSPSC: 4.11216e+007 Country Of Origin: INDIA