“Haven't had it long but so far haven't noticed anything.”
“I think , I need the bigger one !
Next size”
“I should have read their reviews before I ordered!”
“Haven’t noticed anything different-very disappointed”
“They make a pretty blue night light but I haven't noticed much improved air.”
“SEEMS TO IMPROVE AIR QUALITY IN SMALLER SPACES. LARGE OR OPEN SPACE IT IS NOT NOTICALBLE IMPROVEMENT.”
“Noticed a difference. Not complete, but better.”