XS Scuba Thermo PRO ValveIf you plan to use Nitrox (up to EAN40) or if you need to switch between yoke and DIN regulators, then the Thermo PRO valve is the valve for you. It is pre cleaned and ready for any adventure. 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 Available in four service pressures 2400 psi 3000 psi 3300 psi 3442 psi