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Hollis DC1 212 Regulator & Hollis 321 Octo Package

Hollis Gear

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About Hollis DC1 212 Regulator & Hollis 321 Octo Package

212 / DC1
5th Port
Just in - "Testers Choice" by Sport Diver UK Now have unlimited versatility in our top of the line regulator and a 5 out of 5 winner according to Scubalab We have just added a 5th low pressure that points directly down from the first stage providing easier hose routing for backmounted doubles, sidemount or even for recreational divers

212 Second Stage
Pneumatically balanced second stage
Patented Dynamic Adjustment once set automatically maintains inhalation effort throughout the dive by compensating for depth changes

DC1 1st Stage
High performance over-balanced first stage provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions
Swivel turret allows for ideal low pressure hose routing
Environmental sealing prevents internal corrosion, contaminants, and icing of the first stage
Designed to withstand the rigorous CE standard for coldwater performance

321 Octopus
This octopus is designed on th e same platform as the high performance 221 2nd stage

Hollis DC1 212 Regulator & Hollis 321 Octo Package Features

  • Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue
  • Easy grip controls for precise adjustment even while wearing glove
  • Venturi Switch for simple Dive/Pre-Dive modes
  • Nitrox compatible to 40%
  • 2 high pressure ports
  • 5 low pressure ports
  • Yoke or DIN/300 bar
  • 321 Octopus
  • Pneumatically balanced second stage
  • Patented Orthodontic Mouthpiece with High-Density Bite Tabs
  • Ergonomic A.V.S. (Adjustable Venturi System) Dive/Pre-Dive Switch
  • High visibility yellow front cover
  • Comes standard with a 36in / 91cm yellow hose
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