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    Air purifiers

    Alen Breathsmart air purifier

    This portable air purifier from Alen is primarily filter-based and has a filter indicator and dirt sensor, and 4 speeds. It’s designed for floor or tabletop use in a large room. and weighs 22.3 pounds.

    About

    The Alen Breathsmart is part of the Air purifier test program at Consumer Reports. In our lab tests, Air purifier models like the Breathsmart are rated on multiple criteria, such as those listed below.

    Dust/pollen/smoke removal (high): Dust/pollen/smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform comparably for pollen.

    Dust/pollen/smoke removal (low): 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 multiple speeds and the lowest is not as effective at cleaning the air. A model that scores well for dust removal should perform comparably for pollen.

    Noise (high speed): Noise is based on instrument measurements with the model running at its highest speed.