Highlights 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 needs ranging from Total Air which traps 30% more dust particles, Odor eliminator to remove stubborn pet and household odors, Allergy Remover to attacher the toughtest allergens, Smoke Grabber a triple later of smoke absorption, and and Allergen Performance plus for severe allergy sufferers. Description The Holmes aer1 Desktop Air Purifier with HEPA-Type Filter captures particles as small as 2 microns from air passing through the filter, and operates quietly to remove up to 99% of airborne particles such as pollen, dust, mold, pet dander, and smoke, providing relief from odor and irritants in the air so you can breathe comfortably. The air filter also offers 30% better dust elimination than traditional Type A HAPF30 filters at clean air delivery rate passing through the filter. You can see the particles being accumulated through the Visipure Air Filter Window, and this Holmes air purifier has a filter reminder, so you know when it's time to change the filter. The space-saving design easily fits in any corner of the room, leaving clean and crisp air all around your home. The optional ionizer also helps to ensures smaller particles are more easily captured, and helps tackle odors. Specifications Dimensions (Overall): 10.9 Inches (H) x 14.2 Inches (W) x 8.1 Inches (D) Weight: 6.2 Pounds Features: Dust Collection, Filter Change Indicator, Air Ionizer Number of Settings: 3 Wattage Required: 120 watts Filter Type: HEPA Industry or Government Certifications: CADR Certified Rating Room Size Range: 100-300 sq. ft. Allergens Captured: Fireplace Smoke, Pollen, Odors, Mold Spores, Tobacco Smoke, Wood Burning Stove Smoke, Pet Dander, Household Dust Maximum Filter Life: 6 Months Power Source: Electric Battery: No Battery Used