Unquestionably, finding a good price on an effective air cleaner is a smart move. But what happens when it’s time to shell out cash for hard to find replacement filters? That’s not a factor with the TrueAir® air purifier. Its HEPA filter is permanent and never needs replacement. Even better, it simply vacuums clean for minimal upkeep. With all that in its favor, the TrueAir® air purifier is an excellent addition to your home and office, regardless of the season.