I ordered a Amway's air purifier and it arrived today.
We put it in the bedroom. We turned it on for the night, we had a peaceful sleep. The air becomes fresher and higher quality. The next morning I felt refreshing.In the winter time, when we can't open the windows it is perfact to have a good air purifier like this one. The air inside the room will not be that thick and stuffy.I think I will order another one to use in the living room.
I love the products of Amway's. They have all kinds of different excellent products covering everything of daily living life. The air purifier is one of them that is worthy to invest.
I really recommend everyone to have one.