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    T500 Pure + Black
    This air purifier from Alen has
    • a filter indicator
    • a programmable timer
    • 3 speeds
    It’s designed for floor or tabletop use in a 500 sq ft space and weighs 8 pounds.
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    Description
    This air purifier from Alen has
    • a filter indicator
    • a programmable timer
    • 3 speeds
    It’s designed for floor or tabletop use in a 500 sq ft space and weighs 8 pounds.

    CR Expert Take

    How did it perform in our owner surveys and expert lab testing?

    What goes into the Overall Score?

    Ratings Scorecard

    OWNER SURVEYS

    Predicted Reliability
     /  5
    Owner Satisfaction
     /  5

    EXPERT LAB TESTS

    Dust, pollen, smoke removal (low)
     /  5
    Dust, pollen, smoke removal (high)
     /  5
    Noise (low speed)
     /  5
    Noise (high speed)
     /  5
    Ease of use
     /  5
    Annual cost ($)
     /  5

    Detailed Test Results

    Mediocre at removing dust, smoke, and pollen from a room’s air when run at its highest speed, and less effective at low speed. This model runs quietly on its lowest speed but was somewhat noisy (though average) on its highest speed.

    About

    Overall score for the Alen T500 Pure + Black is mainly how well the model removed dust and smoke from a test chamber, plus quietness for room purifiers.
    Dust/pollen/smoke removal: How well models cleared air of fine clay dust and cigarette smoke; performance of portables is at their highest and lower speeds. Ones that scored well for dust removal should perform comparably for pollen.
    Noise: Based on instrument measurements with a portable model running at its highest and lowest speeds.

    Price & Shop