SCUBAPRO has once again raised the bar for regulator performance with the introduction of the A700 second stage. It is truly the crown jewel of the SCUBAPRO regulator line. The A700 delivers extraordinary breathing performance in a striking, precision-handcrafted, full metal design. Whatever your dive destination, the SCUBAPRO A700 lets you breathe effortlessly and naturally underwater for a lifetime of exceptional dive experiences. Small and compact for comfort in diving, this air-balanced valve technology regulator has minimal inhalation effort and super high-flow exhaust valve for ease of inhalation and exhalation at any depth or dive condition. Regulator is equipped with a diver-adjustable inhalation knob for fine tuning of breathing resistant's and diver-adjustable Venturi-Initiated Vacuum Assist (VIVA) for additional inhalation assistance and free-flow prevention. The A700 has a High Comfort Orthodontic Mouthpiece, weighs only 9.3 0z (265 g), comes equipped with SCUBAPRO's 3/8" threaded Super Flow Hose and is covered by a limited lifetime warranty.