• Tusa RS-681

Tusa RS-681

$619.00 $799.00


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.

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