The redesigned C370 now features optional diver-changeable color frames, available in six colors, so you can personalize your regulator in seconds. SCUBAPRO offers a special version of its MK11 EVO/C370 regulator system that features unique white components, including the bumper, saddle, cap, and DIN or INT wheel on the first stage, and a white casing, front cover and exhaust tee on the second stage. Each stage includes dark gray logos and accents. The MK11 EVO/C370 is a compact, dependable air delivery system that makes diving fun, wherever your travels take you. The balanced diaphragm MK11 EVO features an innovative double spring layout, forged brass body with thermal fins and protective plastic bumpers to ward off scratches. The compact C370 offers convenient user controls including a diver-adjustable inhalation effort knob, a coaxial dive/pre-dive lever and a large, easy-to-activate purge button.