FEATURES > 2nd stage face is made of stainless steel with a mirror-polished finish. > 1st stage R600 boasts extremely high-performance while being compact and lightweight. With ultra-high performance balanced diaphragm. New White regulator incorporates a white flexible Miflex hose. (for less strain on the jaw and mouth) > Deflector mechanism to reduce intake resistance. > Improved operability by enlarging the purge button. > Demand System > Advanced Flow System > Ortho-Conscious Mouthpiece > Click Spring Adjustment TECHNOLOGY ADVANCED FLOW SYSTEM The Advanced Flow System allows ease of air flow and makes air delivery smoother due to the curved housing structure. ORTHO-CONSCIOUS MOUTH PIECE The Ortho-Conscious Mouth Piece feature prevents jaw fatigue. The ridges and flexible material allow the diver to have more control of the mouth piece and reduces tension in the jaw. Read more