Medschenker™ STM includes antibiotics to help inhibit bacteria and fungal flora in the sample for the most accurate results Medschenker™ STM is a stand-up and shatterproof tube enabling quality centrifugation of the sample Patient sample material and particles are rapidly released and dispersed It maintains organisms viability for 48 hours at room or refrigerated temperature MedSchenker™ STM features a new cap-lock system for secure transport without the risk of leaking or spilling