For divers seeking reliable performance in an uncomplicated air delivery system, the MK11 / S270 is easy to use, compact and durable. The balanced diaphragm MK11 delivers effortless airflow unaffected by depth, tank pressure or breathing rate. The compact S270 provides smooth breathing performance in a bulletproof anti-scratch design that’s able to handle years of hard use.

• Lightweight S270 casing, made of a fiberglass-reinforced nylon core and a special PU outer layer, is extremely durable plus helps reduce jaw fatigue and improves diving comfort.
• Technopolymer plastic barrel with a metal thread and a balanced valve helps save weight and provides a surface that ice crystals can't grab onto when diving in extreme cold water.
• Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
• Dive/predive switch is easy to use even wearing thick gloves.
• Compact and efficient exhaust tee minimises exhalation effort.
• Air-balanced diaphragm first stage design delivers constant and effortless airflow unaffected by depth, tank pressure, or breathing rate.
• Chrome-plated marine grade brass body has sealed internal parts to prevent water and pollutants from fouling the inner mechanism while enhancing cold-water performance.
• Two high pressure, two low pressure and two high-flow LP ports maximise hose routing options.

The R095 OCTO is an economical second stage featuring classic downstream valve technology that has a well-earned reputation for safety and reliability.

Designed to be extremely easy to use in an emergency, the R095 OCTO is pre-tuned to the optimum inhalation volume for safe and uncomplicated use. You never have to worry about control knobs or switches; simply put it in your mouth and breathe.

The R095 OCTO comes with a high-visibility yellow purge cover and a 39in/1m yellow hose that makes it that much easier to share air with a buddy in need. It's also a versatile second stage for use on deco tanks, thanks to its reversible hose attachment feature.

Technical Information

• Classic downstream valve design for optimal breathing performance.
• Metal valve housing is built rugged and increases overall reliability.
• Preset inhalation and Venturi-Initiated Vacuum Assist (VIVA) provides hassle-free air delivery.
• Reversible hose attachment makes it easy to use for sidemount, pony or deco tanks.
• Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn’t inhibit airflow.
• Includes yellow purge cover and 39in/1m high-viz yellow hose.
• Airflow at 2900psi (l/m/SCFM): 1400/50.