The Scubapro MK11/S270 Scuba Diving Regulator, The new S270 is also available with the MK11 first stage for divers who prefer an air-balanced first stage that delivers effortless air regardless of depth, tank pressure or breathing rate.

The parts in the chrome-plated copper housing of the MK11 are sealed so that water and dirt cannot damage the internal mechanism and the regulator performs even better in cold water.

The new air-balanced S270 with its smooth breathing is packed in a scratch-resistant housing that can take a beating. The second stage has a dive/predive button, an effective waterless button and a compact exhalation piece that makes exhalation even smoother.

First Stage MK11:

• Air-balanced design with diaphragm and a professional-quality chrome-plated copper housing provides constant, effortless airflow regardless of depth, tank pressure and breathing rate.

• Fully sealed housing made of seawater resistant copper so that the internal mechanism is not affected by water and contamination and the system performs better in cold water.

• Two high pressure, two low pressure and two high flow low pressure ports so you can connect the hoses as you wish.

• The intermediate pressure can be adjusted externally, so that technicians can regulate the flow quickly and easily.

• Available as INT 232 or DIN 300.

• Weight: INT 232: 710 grams; DIN 300: 490 grams.

• Airflow at 200 bar: > 5500 l/min.

• Intermediate pressure: 9.2-9.8 bar.

Second Stage S270:

• Thanks to the air-balanced valve, breathing in is effortless, no matter how deep you sit and whatever the pressure in the bottle.

• The technopolymer pipe with metal thread and a balanced valve makes the second stage lighter in weight and prevents ice crystals from adhering to the second stage when diving in extremely cold water.

• The dive/predive button is easy to use, even when wearing thick gloves.

• More compact, lighter and higher airflow than its predecessor, the S560.

• The lightweight fiberglass-reinforced nylon housing with a special polyurethane coating can withstand rough handling, eliminates jaw fatigue and makes diving more comfortable.

• The exhalation piece is compact and very efficient so that exhalation takes as little effort as possible.

• The compact Hi-Flow mouthpiece is comfortable and made of food-safe silicone and has a large diameter for maximum airflow.

• The Superflow hose has an extra large diameter so that more air is supplied with each breath.

• CE certified for all diving conditions, including extremely cold water, in accordance with the current European standard EN250A.

• Great for diving schools, the rental department and diving pros because of its solid construction and good breathing performance.

• Weight (without mouthpiece): 145 grams.

• Airflow at 200 bar: 1850 l/min.