Transport Tube, 3mL Phosphate Based Saline PBS. 102mm length vial contains 3ml of PBS solution. Includes mini-flocked swab with synthetic fibers and plastic shaft and break point at 80mm. INTENDED USEThe KaiBiLiTM Extended ViralTrans PBS is phosphate buffer saline which can maintain pH and osmotic balance, as well as provide cells with water and essential inorganic ions.SUMMARYAppropriate specimen collection and transport is important to accurate laboratory diagnosis of infectious disease. Not only personnel operating skills, but also a proper specimen collection and transport system are essential attributes for reliable diagnosis result. The KaiBiLiTM Extended ViralTrans PBS is suitable for collection, transport of clinical specimens.