Check the listing for details. Scubapro A700 Second Stage Regulator. Condition: New. Listed at 675.00 USD. A700 Second Stage Regulator The Scubapro A700 Second Stage Regulator stands out as a top-tier choice for divers, combining an elegant, full-metal design with unparalleled breathing performance. This compact, air-balanced regulator is crafted to deliver effortless breathing at any depth, with minimal inhalation effort and a high-flow exhaust valve for easy exhalation. The A700 is equipped with a diver-adjustable inhalation knob for personalized breathing resistance, along with the Venturi-Initiated Vacuum Assist (VIVA) to prevent free flow. Precision-handcrafted for durability, it features a comfortable orthodontic mouthpiece and includes a Super Flow LP hose. Features: • Full-metal design for durability and heat transfer • Air-balanced valve for consistent airflow and effortless breathing • High-flow exhaust valve reduces exhalation effort • Adjustable inhalation knob for customized breathing resistance • Venturi-Initiated Vacuum Assist (VIVA) prevents free-flow • Compact, lightweight build at 9.3 oz (265 g) without hose