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  2. The best air purifiers of 2025 - AOL

    www.aol.com/lifestyle/best-air-purifiers...

    One of tallest (nearly 24 inches) and heaviest (17.5 pounds) air purifiers tested, the Winix 5500-2 Air Purifier is ideal for small-to-medium rooms (up to 360 square feet), with a True HEPA filter ...

  3. These Top-Rated Air Purifiers Are the Key to Fighting ... - AOL

    www.aol.com/top-rated-air-purifiers-key...

    These Top-Rated Air Purifiers Are the Key to Fighting Allergies and Air Pollution in Your Space (and They're All on Sale) Stephanie Maida January 14, 2025 at 10:11 AM

  4. The 6 Best Air Purifiers for Any Room in the House - AOL

    www.aol.com/lifestyle/6-best-air-purifiers-room...

    Airmega AP-1512HH True HEPA Air Purifier. Small but mighty, this little Coway air purifier is ideal for apartments, dorms, and close quarters. It is designed to clean spaces up to 361 square feet ...

  5. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    An air purifier or air cleaner is a device which removes contaminants ... Ozone generators are designed to produce ozone and are sometimes sold as whole-house air ...

  6. Clean air delivery rate - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Delivery_Rate

    Whole house air cleaners are not covered by the CADR specification because the measurement is performed in a standard 1,008-cubic-foot (28.5 m 3) room, the size of a typical house room, which has different airflow patterns than whole-house filters. Measurements are made with the filter running and not running, so particles that naturally fall ...

  7. Minimum efficiency reporting value - Wikipedia

    en.wikipedia.org/wiki/Minimum_Efficiency...

    Two proprietary scales are used to rate sub-HEPA air filters. The Home Depot scale is known as filter performance rating (FPR), and is reduced from a 1–10 scale to only 5, 7, 9, and 10. It measures ability to capture large particles, small particles, and weight change over the lifetime of the filter.