They will simply filter out a smoke particles. A HEPA filter is a should, if it does not have HEPA it's not adequate. The second thing it is best to look for is a carbon pre-filter. Carbon will get rid of the cigarette odors. The carbon fibers adsorb the odor of smoke in order that it isn't absorbed by your clothes or furnishings. The pre-filter can even lengthen the life of your HEPA filter and keep it operating effectively. The best air purifier to do away with smoke may have a strong fan. ...
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