• 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)

- 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)

- 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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