Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a PVC male luer lock body, blue ABS/nylon female luer lock cap and TPE gasket, Qosina part #80354 is designed to prevent the backflow of fluid and can accommodate 3.5 FR tubes or instruments. Qosina has a wide selection of tuohy borst adapters, as well as tuohy borst components that allow you to create your own custom configuration based on your application.