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Designed for extreme conditions, the MK17 EVO 2 / G260 regulator provides smooth and comfortable breathing, even in freezing depths or silt-filled wrecks. The MK17 EVO 2 is smaller and lighter than both its predecessor, the MK17 EVO, and the MK19 EVO, thanks to its brass housing and dry chamber with two springs that provide extra reliability and a more compact design. Combined with the G260, equipped with internal metal components, a high-flow exhaust valve, controls and a reversible hose attachment, this delivers one of the best performing regulators under the most extreme diving conditions.

The MK17 EVO 2 / G260 regulator is your reliable partner when it comes to precision, performance and confidence underwater.

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• Compact Sealed First Stage - Sealed balanced diaphragm design makes for the ultimate compact first stage for cold water or contaminated diving conditions.
• Effortless Airflow - Air-balanced diaphragm delivers consistent and effortless airflow, regardless of depth, tank pressure, or breathing rate.
• Environmentally Sealed Dry Chamber - Dry chamber is completely environmentally sealed with a dual diaphragm system that keeps out contaminated water. The rib is designed to enhance heat exchange, making the first stage cold water-proof.
• Optimized Hose Routing - Two opposing high-pressure ports positioned on a 15º angle allow the first stage to be positioned either up or down, plus provide an optimal hose/transmitter layout.
• Smooth Breathing Performance - Air balanced second stage valve smooths out the inhalation effort at varying depths and supply pressures.
• Rugged Second Stage Design - Rugged reinforced technopolymer design features SCUBAPRO's largest second stage casing and diaphragm for the ultimate in breathing sensitivity, regardless of position in the water.
• Extreme Cold Friendly - Metal components (inlet tube, orifice, inhalation control knob and hose connector) increase resistance to freezing when diving in extreme conditions.
• Adjustable Breathing Controls - A diver-adjustable inhalation effort knob fine-tunes air delivery to suit changing depths, water conditions and personal tastes, and a Venturi-Initiated Vacuum Assist (VIVA) dive/pre-dive switch prevents free flows in cold water or when used as an octopus.
• High-Flow Exhaust Valve - High-flow exhaust valve reduces exhalation for better overall breathing comfort, and the reversible hose attachment allows you to easily adjust hose routing for tech diving configurations.
• Super-Flow Hose - Super-flow hose features an oversized bore that allows more air to flow on each inhalation.

MK17 EVO 2 First Stage

• Sealed balanced diaphragm design makes for the ultimate compact first stage for cold water or contaminated diving conditions.
• Air-balanced diaphragm delivers consistent and effortless airflow, regardless of depth, tank pressure, or breathing rate.
• Dry chamber is completely environmentally sealed with a dual diaphragm system that keeps out contaminated water. The rib is designed to enhance heat exchange, making the first stage cold water-proof.  
• Two opposing high-pressure ports positioned on a 15º angle allow the first stage to be positioned either up or down, plus provide an optimal hose/transmitter layout.

G260 Second Stage

• Nylon fiberglass design features SCUBAPRO's largest second stage casing and diaphragm for the ultimate in breathing sensitivity, regardless of position in the water.
• Anodized aluminum front cover ring adds resistance without adding weight.
• Metal components provide increased resistance to freezing when diving in extreme water conditions.
• High-flow exhaust valve reduces exhalation for better overall breathing comfort.
• Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
• A diver-adjustable inhalation effort knob fine-tunes air delivery to suit changing depths, water conditions and personal tastes.
• Venturi-Initiated Vacuum Assist (VIVA) dive/pre-dive switch prevents free flows in cold water or when used as an octopus.
• Reversible hose attachment allows you to easily adjust hose routing for tech diving configurations.
• Super-flow hose features an oversized bore (larger inside hose diameter) that allows more air to flow on each inhalation.
• Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow.
• Weight: 275g.
• Airflow at 200bar: 1800 l/min - 64 S

R105 Octopus

The R105 Octopus offers dependable breathing performance in a classic downstream design with a dive/pre-dive VIVA switch and reversible hose attachment.

• Classic downstream valve design for dependable breathing performance
• Dive/pre-dive VIVA switch helps control free flows.
• Metal valve housing is built rugged and increases overall reliability.
• Reversible hose attachment makes it easy to use on pony or deco tanks.
• High-viz yellow super-flow hose is 39in/1m long and 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 largest to smallest.