Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a red flat cap, Qosina part #11225 is a tuohy borst adapter designed to prevent the backflow of fluid around instruments that are 7 FR - 17 FR. The valve features a tinted polycarbonate body suited for use with gamma sterilization, and a threaded flare connector and tubing side port for flushing that accommodates 0.2 inch OD tubing. This large bore tuohy is ideal for applications which require the use of large instruments or devices. Qosina has a wide selection of large bore tuohy borst adapters to meet your project requirements.