Oceanic Alpha 9 SP5 Regulator The Alpha Standard. The Oceanic Alpha 9 SP5 regulator is the top-performing regulator in its class, and one of the most affordably priced regulators you can buy. The Oceanic Alpha 9 regulator is the standard by which all other entry-level regulators are judged. For recreational divers looking for professional performance at a reasonable price, the Alpha 9 regulator makes the adventure of diving that much easier to experience. Paired with the SP-5 Sport Piston First Stage featuring our exclusive Dry Valve Technology (D.V.T.) Features on the Alpha SP5 regulator include: The best price-to-performance ratio in its class Designed to perform to the U.S. Navy's Class A standards at 198 feet Inexpensive to maintain Paired with the SP-5 Sport Piston first stage featuring Oceanic's exclusive D.V.T. (Dry Valve Technology) that helps put an end to flooded regulators without sacrificing performance! D.V.T. is a revolutionary regulator technology designed to automatically eliminate moisture and contaminants from entering your first stage even if the dust cap is left off eliminating corrosion of critical internal components, bacteria, internal hose deterioration and damaged gauges and computers.