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Hollis DC7 500SE Regulator

Hollis DC7 500SE Regulator


Regular price $1,099.00 $999.00 Sale

The perfect regulator for underwater photographers! No fuss, high performance, light weight and unbelievably ergonomic. Go no further than the DC7 500SE regulator if you need the BEST while under the water. Plus, the second stage is so light it's perfect for travel. Tune it when you first buy it and feel the difference. 

"This regulator changed breathing underwater for me - I could never use anything else now." - Ron, Fearless Leader/ World Traveller


  • Pneumatically balanced servo valve system ·
  • Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue ·
  • Standard with 30” maxflex hose ·
  • Easily disassembled without the use of tools and underwater if necessary ·
  • Left or right positioning - no upside down ·
  • Boltsnap tie point


  • 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 ·
  • 1 high pressure ports ·
  • 4 low pressure ports ·
  • Environmental sealing prevents internal corrosion, contaminants, and icing ·
  • Designed to withstand rigorous CE standard for coldwater performance ·
  • Nitrox compatible to 40% ·
  • Yoke or DIN/300 bar