BD™ Specimen Collection and Transport System Sterile (785246_PK) 50/PKSustains viability for viruses, chlamydiae, mycoplasmas and ureaplasmas in a single formulation Utilizes a phenol red pH indicator to ensure medium integrity at the time of specimen collection Flat bottomed conical tube stands on the benchtop which reduces the risk of biohazardous spills. Capture cap on 3 mL vial eliminates the need for forceps to remove the swab and reduces the risk of contamination. Scored swabs eliminate the need for scissors.