“how may times per hour is the air circulated in a 450 sq ft room?”

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• Air Changes per hour for the Winix P450 are as follows (low/medium/high/turbo) 6/14/23/38

  Answered by Winix Product Expert 8 years ago

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• I have no idea. I can tell u that I am very happy with it. I run it 24/7, regularly vacuum the dust off the black filter for peak performance, and I run it on high. You will feel the difference.

  Answered by EFEL 8 years ago

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