Concern over the quality of air inside buildings is now receiving the attention that the quality of external air received in the 1970s, and it's another area in which nonwoven filter media are prospering, according to Adrian Wilson. During the Techtextil North America Symposium 2011 (Las Vegas,Nevada,USA 15-17 March 2011),Clint Scoble of Filter Media Services, Cincinnati, Ohio, USA, identified the principal keys to improving filter media as:
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