For technical divers who need a dedicated nitrox delivery system that is certified for air mixes up to 100% oxygen, there’s the Scubapro Mk25 EVO/S270 Nitrox Regulator. The air-balanced S270, with its PU green cover devoted specifically to this nitrox version, provides smooth and consistent airflow in a bulletproof anti-scratch design that’s able to stand up to years of rugged use. Features include a dive/predive switch, an effective purge and a compact exhaust tee minimises exhalation effort.

And there’s no better example of a solid first-stage performance than the time-tested Scubapro Mk25 EVO/S270 Nitrox Regulator, with its excellent resistance to freezing, superb inhalation sensitivity and instant delivery of nitrox mixes. Complying with the most stringent safety norms, you simply won’t find a more reliable nitrox breathing system for all diving conditions and water temperatures than this regulator combo. All Nitrox certified Scubapro Mk25 EVO/S270 Nitrox Regulator regulators are suitable for use with air mixes up to 100% oxygen.

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Features Scubapro Mk25 EVO/S270 NITROX:

Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
Lightweight casing, made of a fibreglass-reinforced nylon core and a special PU outer layer, is extremely durable plus helps reduce jaw fatigue and improve 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.
The dive/predive switch prevents free flows when not being used.
The exhaust tee is compact and very efficient in minimising exhalation effort.
The compact Hi-Flow mouthpiece is comfortable, made with FDA-approved silicone and features a large cross-section to maximise airflow.
High-viz Nitrox Green front cover stands out, making it easy to spot.
The Nitrox Green super-flow hose is 39in/1m long with an oversized bore that allows more air to flow on each inhalation.
CE certified to the latest EN250A European Standards for all diving conditions, including extreme cold water

Nitrox Regulators

Scubapro MK25 EVO / S270 Nitrox Regulator