•REMOVES UP TO 99% OF AIRBORNE PARTICLES: The Holmes aer1 Desktop Air Purifier with HEPA-Type Air Filter captures particles as small as 2 microns from air passing through the filter, removing up to 99% of airborne particles and allergens, such as pollen, dust, mold, pet dander, and smoke from the air so you can breathe more comfortably; and the air filter offers 30% better dust elimination than traditional Type A HAPF30 filters at clean air delivery rate passing through the filter. •INCLUDES IONIZER: This Holmes air purifier features an optional air ionizer that helps to bind negative ions to airborne smoke, dust, and pollen to form larger particles that are more easily captured, helping to clean air more thoroughly and tackling odors •DESKTOP DESIGN, IDEAL FOR TABLETOPS AND OFFICES: Recommended for use in small rooms up to 109 sq. ft., this space-saving air purifier has a slim design perfect for bedrooms, family rooms, or any living space •70 CADR Air purifier provides a 75 CADR (Clean Air Delivery Rate) •FILTER VIEWING WINDOW: Visipure filter viewing window allows you to see when it’s time to replace your filter •FILTER REMINDER: Filter reminder dial allows you to track filter life, and remind you when a new replacement filter is needed •CUSTOMIZABLE SETTINGS: 3 speed settings to help you keep your air clean and pure •CUSTOMIZABLE FILTERS: Choose a filter that fits your needs. Genuine Holmes Aer 1 filters are available in a range of filter solutions to address your