A 3 Way Stop Cock Consists of intravenous sets and related things. The cock is sterile in nature and is perfect for single use. It consists of 2 female Luer ports and a male Luer lock. All the three ports are capped. The Three way stopcock use is mostly in the ITU, high dependency units, theatres and all ward regions. It can be used with the intra arterial and intravenous systems.