MK19 EVO/A700

Diver-adjustable inhalation effort knob for personalized breathing resistance.
Venturi-Initiated Vacuum Assist (VIVA) system for precise control and free-flow prevention.
High-flow exhaust valve to reduce exhalation effort and keep bubbles away from the face.
Super-flow hose with an oversized bore for increased airflow.
Orthodontic mouthpiece for comfort during extended dives.