3 STAGE FILTRATION system includes a pre-filter, a 1 inch thick activated carbon filter, and a High Efficiency Filter which captures 99. 7% of microscopic particles on silent mode including dust, pollen, smoke, and pet dander. Great for homes with pets, babies, or young children. Most ideal for those who suffer from seasonal or non-seasonal allergies or those who just want fresh, clean air in their home

SMART CIRQULATE SYSTEM uses a particle sensor to continuously monitor your indoor air, adjusts the air400’s speed of air flow accordingly, and provides real time feedback on the front digital display. No more wondering if your air purifier is working

POWERFUL PERFORMANCE and THOUGHTFUL DESIGN air400 is powerfully equipped with a large fan and long lasting, quiet, digital DC motor. Built to blend right you’re your home with a neutral tone, clean edges, and sleek design

LIBRARY QUIET air purification. The air400 has an automated dimming night mode and provides the air purification at noise levels as low as 30 A weighted decibels on silent mode

• Recommend for medium to large rooms between 300 and 400 square feet. The air400 is best suited for large bedrooms, kitchens, living rooms, and basements. This air purifier can exchange the air in a 400 square feet room 3 times every hour
• Every air400 comes with 1 Activated Carbon filter and 1 High Efficiency plus Pre combo filter. The air400 also has a filter replacement indicator. We recommend that the filters be changed once every 6 months depending on use
• User Guide 

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item
Warranty: Limited 2-Year Warranty