Natural sample, 21% Pure. | |||
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Natural sample, 21% Pure. I collected this sample of naturally occurring air (21% pure oxygen) from about 20 feet away from the table in May, 2002. The sound for this sample is a beautiful 78% nitrogen, 21% oxygen wind sound borrowed from ftp://ftp.zib.de/pub/UserHome/Luegger/Urania/Sound/FX-03.WAV . Source: Air Contributor: Theodore Gray Acquired: 18 May, 2002 Price: $0/Free like the air we breathe Size: 2.5" Purity: 21% | |||
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