Metal valve housing is able to withstand years of aggressive diving. Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures. User controls include a diver-adjustable inhalation effort knob and Venturi-Initiated Vacuum Assist (VIVA) dive/pre-dive switch. Super-flow hose features an oversized bore (larger inside hose diameter) that allows more air to flow on each inhalation. Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow. SCUBAPRO MK25 EVO/S600 Regulator A top choice for divers worldwide, the SCUBAPRO MK25 EVO/S600 regulator delivers exceptional breathing performance in any condition. The MK25 EVO first stage provides instant airflow and ultra-responsive breathing, while the S600 second stage ensures smooth inhalation and exhalation with easy-to-use controls. Featuring a powerful purge, adjustable inhalation effort, and Venturi Initiated Vacuum Assist (VIVA), this system offers effortless air delivery at any depth. Reliable, high-performing, and built for adventure.
