This is the XS Scuba Hookah 2nd Stage Regulator Features: The term hookah" refers to the breathing gas being supplied from the surface. RG303 - uses an intermediate pressure of 50-80 psi (3.5-5.5 bar) Often used with compact specialty compressors RG305 - uses an intermediate pressure of 80-110 psi (5.5-7.5 bar)Often used with larger, commercial grade, specialty compressors RG310 - uses an intermediate pressure of 110-140 psi (7.5-9.5) bar Typically used with scuba cylinders left on the surface with a long hose A robust, over-built design for commercial-style use Venturi deflector to prevent accidental free flows Simple and easy to service The term "hookah" refers to the breathing gas being supplied from the surface. Choose From: 50 to 80 PSI, 80 to 110 PSI or 110 to 140 PSI (LP Hose Not Included)"
