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This product has a limited lifetime warranty.

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The Mk17 First Stage Regulator is the perfect choice for the recreational diver who wants the advantage of a diaphragm first stage for use in temperate waters. Diaphragm-based first stages are environmentally sealed so that water cannot enter the inner mechanism.The Mk 17 also incorporates a Dry ambient pressure chamber, providing better performance in cold water than any other diaphragm regulator. Bearing in mind that regulators generate temperatures as low as minus 22°F due to the incredibly fast moving air and thepressure drop involved, it is imperative that sensitive moving metal parts avoid contact with extremely cold water or debris. Therefore, diaphragm first stages have been the favored choice of cold-water divers and those working in contaminated or muddy water. SCUBAPRO diaphragm first stages feature balanced technology and are packed with patented features resulting in ultra fast flow to the second stage on demand and a fantastic overall performance.

The MK17 first stage's streamline body is constructed of machined marine-grade chrome. The MK17 has a balanced diaphragm to offer you peace of mind with its smooth breathing mechanisms and maximum performance that don't diminish as your tank's air pressure changes. This first stage is available with a DIN or yoke configuration, making it ideal for divers around the globe. This first stage comes standard with the Thermal Insulating System (TIS), which keeps your first stage from freezing up and malfunctioning in cold water conditions. Additionally, its over-balanced diaphragm first stage design gives.

The X650 is an unparalleled regulator for all types of dives and divers. Its features and design prove why this regulator has a corner on the diving market. It has a straight coaxial valve, a wider exhaust valve than others regulators, and requires 20% less effort when exhaling. The secret to the X650 is SCUBAPRO's ingenious idea to put the diaphragm and exhaust valve below the regulator's mouthpiece to reduce the chances of the diver experiencing jaw fatigue.

1st Stage, 2nd Stage and LP Hose