The RS-520 regulator is the latest TUSA first and second stage that delivers excellent quality in an affordable, lightweight, travel-friendly system. The balanced piston R-500 first stage is incredibly small and weighs only 720g. It has a full complement of four low-pressure and two high-pressure ports and is equipped with an quick adjustment screw that can easily be tuned for optimum performance. The S-20 second stage is a compact and lightweight design featuring an over-sized purge button and an ortho-friendly mouthpiece for greater comfort and reduced jaw fatigue. The S-20 second stage can also be configured for left or right hose layout.
- Lightweight 720g balanced piston first stage
- Quick adjustment screw for fine-tuning
- Lightweight demand valve second stage
- Full section purge valve
- Left or right hose layout compatibility