“How many air changes made this air purifier per day? See attachment”

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• Thank you for your interest in Blueair. The 411 makes 5 air changes per hour on the highest setting for a room up to 161sq.ft. The unit is designed to run continuously, so in 24 hours it would have 120 air changes (on the highest level).

  Answered by Blueair Support Team 5 years ago

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