Problue FS-850D 1st Stage Regulator – DIN

-Over-balanced diaphragm design delivers superior breathing performance even at increased depths.-Made with corrosion resistant marine brass, polish chrome plated finish.-Superior and reliable performance to meet with technical diver requirement as well as the demanding needs of the Cold Water diver.-Ventilation rate ( air supply / 3000 psi ) : 135 SCFM-Intermediate pressure: 135-145 PSI. ( 9.5-10.2 bar )-High pressure port: ( 7/16 ?-20 UNF ) x 2-Low pressure port: ( 3/8 ?-24 UNF ) x 4-Yoke type FS-850-Din type FS-850D