VWR® UrineTime II 24-hour Urine Collection Proportioning Devices. Ready-to-Assemble. Ideal for outpatient use, this 24-hour urine collection proportioning system is designed for the automatic division of samples into two separate containers for chemistry assays. Useful for analysis requiring two separate preparations or preservatives. The two 2L bottles feature keyed sides that stay firmly locked together. A plastic bag is supplied for safe disposal of the removable plastic funnel. UOM: 5KT/CS.