The Bard Medical Infection Control Urine Meter w/Drainable Bag 350ml is used to accurately measure urine output and are typically used in surgical and critically ill patients. Urine meters contain the Bard EZ-LOK® Sampling Port which eliminates the risk of needle stick injuries and allows for needle-free aspiration. Features: Patented Microbicidal Outlet Tube which protects the drain bag from contamination resulting from retrograde bacterial migration. Single hook design with string hanger. 350ml meter. Single use. Sterile. Latex-free.