Tusa RS-681

The RS-681 is TUSA's latest regulator (an upgrade from the RS-680) that delivers superior performance and build quality in a compact lightweight design.  The R-600 paired with the newly developed S-81 second stage further pushes the regulator engineering and performance envelope.

The ultra-compact balanced diaphragm R-600 first stage is incredibly small and weighs only 630g. The R-600 is configured with 2 HP and 4 LP ports allowing for versatile hose placement. 

First stage (R-600) Specs:

• Ultra-compact balanced diaphragm first stage
• EK-600 cold water kit available for temperatures below 50°F/10°C
  
• 2 HP and 4 LP ports
  

Second stage (S-81) Specs:

• Elliptical low-profile case design
• S.E.A. – Sequential Exhaust Assist technology
  
• Venturi adjustment lever
  
• Built-in moisture exchange plate
  
• Universal Swivel Joint for maximum comfort
  
• Breathing Resistance Adjustment Control
  
• Ortho-consciously designed mouthpiece
  

This regulator combination comes with a MIFLEX low pressure hose.