UniTranz-RT® Transport Media Universal Transport Medium Translucent with Red Cap Tube Format (1074335_BX) 50/BXTransport media is intended for the collection and preservation of viruses, chlamydia, mycoplasma and urea plasma. Transport media is used in viral antigen detection test, PCR and rapid tests. Tube in which media is contained also contains antimicrobial agents to minimize bacterial and fungal contamination and contains glass beads to release and disperse sample into the medium during vortexing. Tube is made of premium medical grade plastic components