XS Scuba PRO Valve. 

Features: 

• Standard yoke outlet with spin-out DIN insert converts to 230 bar DIN outlet
• 3/4”-14 NPSM standard inlet threads
• Clean for pre-blended Nitrox up to 40% oxygen
• 1.5 handwheel rotations from fully on to fully off 
• Available in 4 service pressures
• 2015 psi
• 3000 psi 
• 3300 psi 
• 3442 psi