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.