The Bard Medical Latex Free Urine Meter 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: Single hook design with string hanger. 350mL meter. Single use. Sterile. Latex-free.