Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a blue flat cap, Qosina part #11224 is a tuohy borst adapter designed to prevent the backflow of fluid around instruments that are 0 FR - 13 FR. The valve features a tinted body suited for use with gamma sterilization and a barbed connection that accepts 0.449 inch - 0.472 inch ID tubes. 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.