“The thing I noticed was a smell like smoke when I first plugged them in. No one smokes in this house in 24 yrs and I biught it new. I’m not convinced they do much of anything. Only had abiut a week. If plugged in a bedroom the blue light will be bright and can keep yiu awake . It said you’d notice soon, I haven’t been able to determine what they do”
“Wasn't sure what to expect but have noticed the air seems clearer in the house. We use to see dust in the sunshine streaming in our house and now there is none. I have to say, it really works. Glad I purchased them.”
“My first set quit after a month. The sticker on the side said to clean out the dust. After we wrote the company they replaced the ones that quit. The new ones are working great! We’ll worth the investment.”