Conventional second stage without diver adjustment 
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First Stage •Compact and lightweight •Flow by piston design •3 low pressure ports •1 high pressure port 
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In 1979 SCUBAPRO created the concept of integrating a second stage regulator and a balanced inflator in the same compact housing and the AIR2 (alternate inflator regulator) was born. In 2006 we introduced a restyled fourth generation of the AIR2 which is  
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Pneumatically balanced, user-adjustable second stage. This pneumatically balanced, adjustable second stage is sure to provide you the highest performance for many years. The pneumatically balanced second stage provides the lowest possible inhalation effor 
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Lightweight, high performance second stage. The ATMOS Sport has many of the high-performance features of the ATMOS Pro with the exception of the 2nd stage adjustment knob and pneumatically balanced valve design . This regulator is ideal for the diver who 
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First Stage •Balanced diaphragm •2 high pressure ports •4 low pressure ports •Compact and lightweight •Satin brass chrome finish •Nitrox ready 
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The human breathing process is unique and individual, rather intuitive, and taken for granted at the surface. However, once underwater and dependent on a regulator, we suddenly realize how personal and unique breathing behaviors are and how important a re 
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First Stage •Balanced diaphragm •4 low pressure ports •2 high pressure ports •Compact and lightweight •Nitrox ready 
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The RS-350 Imprex regulator is the flagship model of TUSA regulators, possessing a wide variety of functions. The R-300 first stage features a balanced diaphragm system with a minimum variation in intermediate pressure in relation to changes in residua 
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Pneumatically balanced 2nd stage with virtually no breathing effort. Patented Dynamic Adjustment automatically maintains inhalation 
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This is the perfect choice for the recreational diver who wants the advantage of a diaphragm first stage for use in temperate waters. As with the MK17, the diaphragm system prevents entry of water and pollutants while its balanced technology allows promp 
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This system is all about ease of use and reliability. The MK11/R395 combines a balanced diaphragm first stage with a classic downstream valve second stage in a lightweight package, making it the perfect recreational combination. The R395 allows worry-free 
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An exclusive edition of the perfect travel regulator. The ‘T’ is for Titanium, a unique metal alloy especially suited for the rigors of diving and impervious to corrosion, yet at the same time very lightweight. 
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A high performance balanced diaphragm first stage regulator, the MK17 has been engineered for harsh environments and for use in ice cold water or polluted environments. Resistance to cold has indeed been a key element in the engineering of the MK17. 
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Cold water divers or those frequenting harsh environments will appreciate this perfectly matched pair. The A700 is a complete complement to SCUBAPRO’s MK17, a high performing balanced diaphragm first stage, engineered exactly for such conditions. Full-m 
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The perfect balance of power. Our diaphragm MK17 first stage teamed with our newly designed G250V second stage. 
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The SCUBAPRO “workhorse”, MK2PLUS was first introduced onto the market in 1962. This classic downstream piston remains as popular as ever, especially in schools and training centers. The simplest first stage piston mechanism ever, with fantastic perform 
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SCUBAPRO has been the leader in the evolution of piston controlled first stages since its beginning; the MK25 carries on this heritage with an array of patented features ensuring unfailing performance. The MK25 is a balanced piston first stage, our absol 
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Our top performing balanced piston first stage paired with our best-selling high performance air balanced second stage; this combination is SCUBAPRO’s ultimate regulator combination. The S600 truly matches the MK25’s characteristics and, thanks to its adj 
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