Scubapro MK25 EVO/S620 Ti Regulator

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This regulator system combines Scubapro's premium high-performance MK25 EVO first stage with its latest high-performance S620 Ti second stage to create a winning all-purpose, all weather regulator system. The MK25 EVO offers excellent resistance to freezing, superb inhalation sensitivity and instant delivery of air on demand.
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The new S620 Ti boasts a long list of design features guaranteed to enhance a diver’s underwater experience. Offering improved work of breathing in a smaller and lighter package, the S620 Ti is built tough: you’ll find a corrosion-free titanium barrel inside a rugged reinforced technopolymer case and front cover with a new, larger stainless steel frame reinforcement.



  • Air balanced flow-through piston in a chrome plated brass body provides constant and effortless airflow unaffected by depth, tank pressure, or breathing rate.
  • Patented XTIS (Extended thermal Insulating system) thermally insulates the inner mechanism from the environment, improving cold-water resistance and delaying ice formation in extreme cold-water conditions without compromising breathing performance.
  • Anti-freeze protection radically increases breathing reliability when diving in the most extreme water temperatures.
  • Two opposing high pressure ports allow the first stage to be positioned either up or down.
  • Five high-flow low pressure ports on a swivel turret maximise hose routing options.
  • External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily.



  • Rugged reinforced technopolymer case and front cover with stainless steel frame is able to withstand years of aggressive diving.
  • Lightweight titanium barrel is rugged and corrosion resistant, and will last virtually forever no matter what environment it faces.
  • Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
  • Large diaphragm fits inside a compact casing for maximum breathing sensitivity.
  • User controls include a diver-adjustable inhalation effort knob and coaxial-flow Venturi-Initiated Vacuum Assist (VIVA) lever.
  • Large purge button is designed with holes to improve water circulation.
  • Flow-engineered high performance exhaust tee improves ease of exhalation.
  • Super-flow hose features an oversized bore that allows more air to flow on each inhalation.
  • Newly designed Compact Hi-Flow mouthpiece, exclusive to the S620 Ti, is mounted on an enlarged mouthpiece pipe to improve airflow as well as mouth comfort.