Tusa RS-1001 Regulator


The balanced diaphragm first stage is compact and lightweight.  It has a full complement of four low-pressure and two high-pressure ports and is fine- tuned for optimum performance.

The second stage features a venturi adjustment lever to deliver air smoothly with each breath. The second stage is also equipped with an ortho-consciously designed mouthpiece to increase comfort and reduce jaw fatigue. 

First stage 

  • Balanced diaphragm first stage
  • Cold water insulation system
  • Two H.P. ports and four L.P. ports (2 standard/2 high flow) ports
  • High flow L.P. ports offer up to 15% increase in air flow


Second stage 

  • Lightweight, compact composite case design
  • Left or Right hand configuration
  • Venturi adjustment lever
  • Ortho-consciously designed mouthpiece