“Don't really notice a difference.”
“I really don’t feel they are doing anything”
“They are ok, no significant change as I’m still seeing dust in the front room and kitchen, tho.”
“So far I don't see a difference in the air quality in my condo. Not sure they were worth the money.”
“Don't realize much difference”
“Honestly I do not see or feel any difference and I have had my 3 devices plugged in for at least 2 weeks.”