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Title: Don't buy it !!!!
Review: I purchased a Friedrich C-90A Electronic Air Purifier for my son's bedroom. He has allergies, and I thought this would help him.Less than 20 minutes after turning on the machine, the bedroom was filled with ozone and my son complained of a sore throat.I telephoned Freidrich to inquire as to how to control the ozone generation. They informed me to direct the air flow towards a wall and the ozone would dissipate. It didn't work.No matter what I did, there was a strong smell of ozone in the room.My suggestion is don't buy this product as it is dangerous.
