** This item is available via pre-order only. Delivery takes approximately 4-8 weeks. Second Stage• Compact body and exhaust tee take up little space in a travel dive bag.• Stainless steel frame on the front cover adds some style.• Optimal flow design incorporates a special barrel and balanced poppet valve to produce maximum airflow under any diving conditions.• User controls include a diver-adjustable inhalation effort knob and Venturi-Initiated Vacuum Assist (VIVA).• Large purge button is easy to activate, even wearing thick gloves.• Super-flow hose features an oversized bore that allows more air to flow on each inhalation.• Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn’t inhibit airflow.• Weight (without mouthpiece): 171g• Airflow at 200bar: 1600 l/min Limited Lifetime Warranty
