Neptune EBD1 u/w breathing device

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Delhi Diver

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From an Undercurrent magazine email:

New Emergency Breathing Device: If you've got the money -- $1700 - you'll soon be able to purchase an emergency breathing device that weighs only five pounds, but at 50 feet will deliver up to 55 minutes of air. Created by HSG International for military and law enforcement personnel, it will appear in the sport diving market early next year. It's a 13-inch long sealed tank filled to 9400 psi. To use it, a diver pulls a ring to break the seal and then breathes through the attached regulator. The downside is that the tanks are nonrefillable, so a diver in trouble will face a $1700 question. http://www.marketwire.com/mw/release_html_b1?release_id=175840

Interesting; would hate to lose one of these though!
 
The sale video claims 30-35 "breaths of air". I would assume this is at the surface.

Take a breath every two minutes. I don't think so.
 
https://www.shearwater.com/products/perdix-ai/

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