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As stated in another answer: For the CADR of this Insignia™ - 497 Sq. Ft. HEPA Air Purifier - White, check the information below: Clean Air Delivery Rate Meets the AHAM’s recommendations for filtering tobacco smoke (321), dust (310) and pollen (329) in rooms up to 497 square feet, keeping your air—and your family—safe.
Sorry, there was a problem. Please try again later.Hello Hesitant, Clean Air Delivery Rate (CADR) CADR indicates the volume of filtered air an air cleaner delivers, with separate scores for tobacco smoke, pollen and dust. The higher the CADR number for each pollutant, the faster the unit filters the air. Insignia Support, Merjorie www.insigniaproducts.com/support
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