The MK11 EVO/C370 is a compact, dependable air delivery system that makes diving fun, wherever your travels take you. The new balanced diaphragm MK11 EVO features an innovative double spring layout, forged brass body with thermal fins and protective plastic bumpers to ward off scratches. The compact C370 offers convenient user controls including a diver-adjustable inhalation effort knob, a coaxial dive/pre-dive lever and a large, easy-to-activate purge button.

• Compact, air-balanced diaphragm design, MK11 EVO delivers top performance and reliability.
• Forged brass body comes with metal fins to improve thermal exchange plus plastic bumpers to prevent scratching.
• Two high pressure ports are set on a 15-degree angle for convenient hose routing.
• Four high-flow low pressure ports increase airflow while maximizing hose routing options.
• Innovative double spring layout increases performance while contributing to overall compactness.
• C370 second stage's air-balanced valve smoothes out the inhalation effort at varying depths and supply pressures.
• Compact, rugged fiberglass-reinforced nylon C370 casing takes up little space in a dive bag.
• User controls include a diver-adjustable inhalation effort knob and coaxial dive/pre-dive lever.
• Large purge button is easy to activate, even wearing thick gloves.
• Super-flow hose features an oversized bore that allows more air to flow on each inhalation.
• Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes, from smallest to largest.
• CE certified to EN250A European Standards for all diving conditions, including extreme cold water.
• Includes R105 Octopus