Our FBS is manufactured in a fully integrated environment from raw material collection to finished product. It is produced to the highest standards in order to reduce risk and product variability, and to ensure product safety and performance.Our Heat Inactivated Qualified Imported (USDA Approved) FBS features: Triple 0.1 μm Filtered and free of Virus and Mycoplasma.This treatment allows to destroy the complement acting in the immune system to avoid an interference with some experimentation, in particular the tests of immunology. Excellent for research involving immune response, viral studies, cytotoxicity assays, and stem cells.