Review on Grey Air Oasis 3000XG3 Air Purifier by Kara Torres

I expected more from this product with its expensive price. When you first turn it on it whispers softly, and after leaving it on for about an hour I definitely felt a difference in the air quality. Thanks to the UV sterilization lamp and OZONE power, the room will be filled with a fresh scent. but after about 3 weeks I didn't feel that fresh clean air smell anymore, not really sure why not, it didn't seem to have as strong an effect as when I first opened it and connected the UV lamp to it, they shine so much brightly in such a short period of use. There was a feeling that he lost his effectiveness after working for a while every day.