The applications for this BLU VU technology seem pretty solid.
"Blu Vu Deep Breather is a technology company focused on the development of deep-sea exploration breathing technology for the oil and gas industries as well as for use in fire and rescue, mining, hazardous materials industries, and recreational diving. Rebreather technology provides many benefits over conventional open circuit breathing equipment. Those benefits are even more significant when extended time and greater depth are desired or required."