The Hollis 500SE DC1 regulator revisits an old side exhaust design but brings it up to date with a modern stylish design and re-engineered servo controlled valve to deliver excellent performance. The 500SE second stage is paired with a new over balanced diaphragm first stage that has been designed to ideal hose routing for tech back and sidemount configurations.

The 500SE second stage uses a newly redesigned pneumatically balanced servo controlled valve for superior performance. The smallest, gentlest inhale starts the servo valve working as air starts to flow into the second stage it creates a vacuum behind the diaphragm, drawing it inwards and quickly opening the valve further. Air flow is increased by allowing it to flow through multiple valve ports rather than a single port. An orthodontic mouthpiece helps to reduce jaw fatigue and improve bite comfort. The side exhaust configuration means there is no right way up, it can be used for both left and right set ups without modification. The first stage second stage are joined using a 30 inch long braided low pressure hose

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Hollis 500SE DC1

  • £379


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Tags: 1st & 2nd stages, hollis 1st & 2nd stages, 500se

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