This Scubapro regulator set brings together three pieces built to work as one system: the MK25 Evo / S620Ti first and second stage, the R105 Octopus backup, and a 3-Gauge console for keeping tabs on air, depth, and direction. The MK25 Evo first stage is tuned for cold, temperate, and warm water, with the air balanced flow-through piston keeping airflow steady no matter your depth or tank pressure, and the XTIS Extended Thermal Insulating System plus anti-freeze protection built in for cold-water dives. The S620Ti second stage pairs a full titanium barrel with a large diaphragm for smooth, low-effort breathing, and you can pick DIN or INT to match your tank valve.
Backing up that primary regulator is the Scubapro R105 Octopus, built around a classic downstream valve design with a metal valve housing for rugged, cold-water-ready durability. Its 39-inch hose and high-visibility yellow faceplate make it easy to spot and hand off in an emergency, and the reversible hose attachment lets you set it up for either hand. Pre-tuned for backup duty, it is meant to deliver smooth, effortless breathing exactly when needed, and its compact, lightweight build travels easily alongside the rest of your gear.
Rounding out the set is the 3-Gauge in-line console, combining a plastic-case pressure gauge reading 0-6000 psi / 0-400 bar, an oil-filled depth gauge with a linear Bourdon tube design, and an FS-1.5 compass with a 26-degree tilt for steady readings, all available in Imperial or Metric versions. Together, the three pieces cover a complete first stage, second stage, backup regulator, and instrumentation setup from a single Scubapro lineup, so gas delivery, backup air, and monitoring are handled without piecing components together yourself.
