Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at a low speed that was typically one setting above the lowest speed. Many models have ...

Alen Corp.'s green AirMD air purifier is certified lead-free, ozone safe and Energy Star qualified by both the EPA and the U.S. Dept. of Energy. "We are offering the first green lead-free air purifier ...