Definition of air purifier
- Air purifiers that draw air through fabric filters are among those that do the best job of removing dust and smoke from the air without producing any ozone.
- —Consumer Reports, December 2007
- Ionic air purifiers work roughly the same way, with negative ions attaching to smoke and dust particles that are, in turn, attracted to positively charged plates and filters.
- —Paul Chavez, Pittsburgh Tribune Review, 14 Apr. 2008
- an air purification system