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The SCUBAPRO MK11/ S555 regulator system features a balanced diaphragm first stage with an easy breathing balanced second stage. It is the perfect choice for the recreational diver who wants the advantage of a diaphragm first stage for use in temperate waters.
Features Include:
Balanced diaphragm first stage
First stage has two high pressure and 4 low pressure ports for optimum hose routing
Balanced second stage allows smooth, easy breathing throughout the dive
Second stage features SCUPAPRO's patented VIVA (Venturi-Initiated Vacuum Assist)