DIN to Yoke Filling Adapter for Scuba Tank / Valve by Thermo Cascade (CV375) Adapt DIN Valves for Filling with a Standard Yoke Filler Use with All DIN Scuba Valves 200 to 300 bar Easy to Use with Rotating DIN Handwheel Factory Cleaned & Packaged with Viton O-rings Above Water Use for Filling Only