P3 IonizAir P4620 Silent Indoor Air Purifier A great buy for anyone that's stuck in a single room all day long like me! It covers any 20x20 feet area which is about the size of any bedroom or living area of an apartment! There are no fans or motor that create noise and a red light will show yiou when the blades need to be removed and cleaned! Like the other offer, this is a great buy for anyone and at $26.99 it may not last long. P3 IONIZAIR P4620 TABLE TOP AIR PURIFIER DEAL