Dust, pollen, smoke removal is how well a model cleared air of fine clay dust ... and clean or replace its filter(s). About Overall score for the Alen Breathsmart is mainly how well the model ...

The first of the top five brands is Alen, an Austin, Texas-based company focusing solely on air purifiers. Alen places behind the other elite air purifier brands for one reason: reliability.

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 ...

They showed me the two Alen 75i air purifiers they'd ... mess with any of the settings by touching the buttons, or bumping into the air purifier. Sometimes you need a air filter that can handle ...