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2. Portable oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Portable_oxygen_concentrator

   Portable oxygen concentrator used with bottle humidifier. POCs operate on the same principle as a home concentrator, pressure swing adsorption. [6] The basic set up of a POC is a miniaturized air compressor, a cylinder filled containing the sieve, a pressure equalizing reservoir and valves and tubes.

3. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   The endurance of the cylinder can be calculated from the volume, pressure and breathing rate of the user. The formula: volume (in liters) × pressure (in bars) / 40 (litres per minute) - 10 minutes (the 10 minutes is a safety margin, or reserve), so a 6-liter cylinder, of 300 bar, is 6 × 300 / 40 - 10 = 35 minutes working duration.

4. High altitude breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/High_altitude_breathing...

   Bottled oxygen, more broadly known as high pressure compressed oxygen, medical oxygen, and aviator's oxygen, is oxygen in small, portable, high-pressure storage cylinders. For aviation, the weight of the cylinder is usually not critical, and the choice of material may be affected by economic considerations such as purchase price and useful ...

5. Shark Tank Success Stories: 25 Products That Became ... - AOL

   www.aol.com/25-successful-shark-tank-products...

   In their catalog, you’ll find portable oxygen tanks varying in size and flavor. Investor That Took Interest: Boost Oxygen’s pitch aimed to acquire $1 million for 5% of the company. With some ...

6. Oxygen tank - Wikipedia

   en.wikipedia.org/wiki/Oxygen_tank

   Breathing oxygen is delivered from the storage tank to users by use of the following methods: oxygen mask, nasal cannula, full face diving mask, diving helmet, demand valve, oxygen rebreather, built in breathing system (BIBS), oxygen tent, and hyperbaric oxygen chamber. Contrary to popular belief most scuba divers do not carry

7. Praxair, Inc. Has Initiated a Voluntary Recall Affecting Grab ...

   www.aol.com/news/2012-12-20-praxair-inc-has...

   Praxair, Inc. Has Initiated a Voluntary Recall Affecting Grab 'n Go® Vantage Portable Oxygen Cylinder Units DANBURY, Conn.--(BUSINESS WIRE)-- Praxair, Inc. ... 800-290-4726 more ways to reach us.