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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. Oxygen tank - Wikipedia

   en.wikipedia.org/wiki/Oxygen_tank

   Medical use liquid oxygen airgas tanks are typically 2.4 MPa (350 psi). [citation needed] All equipment coming into contact with high pressure oxygen must be "oxygen clean" and "oxygen compatible", to reduce the risk of fire. [3] [4] "Oxygen clean" means the removal of any substance that could act as a source of ignition. "Oxygen compatible ...

4. Oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Oxygen_concentrator

   As the first cylinder reaches near pure oxygen (there are small amounts of argon, CO 2, water vapour, radon, and other minor atmospheric components) in the first half-cycle, a valve opens and the oxygen-enriched gas flows to the pressure-equalizing reservoir, which connects to the patient's oxygen hose. At the end of the first half of the cycle ...

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.

6. 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 ...

7. Oxygen storage - Wikipedia

   en.wikipedia.org/wiki/Oxygen_storage

   A small steel tank of 16 litres water capacity with a working pressure of 139 bar (2015 psi), holds about 2150 litres of gas and weighs 28 kilograms (62 lb). [3] 2150 litres of oxygen, without the steel tank, weighs about 3 kilograms (6.6 lb)