FABER Blue Steel Tank Valve 10112 DIN or YOKE Pro-Valve with Insert Valve Cap and Two Extra O-Rings Scuba Diving Cylinder High Pressure Standard K-valve (yoke) outlet with spin-out adapter to convert to 230 bar DIN outlet 3/4" - 14 NPSM inlet For use with High Pressure tanks - 3442 psi with 5000 psi Burst Disk Clean for pre-blended Nitrox up to 40% Includes neck O-ring, valve stem, adapter, valve cap, and 2 O-rings