Help everyone in your home breathe better with this QuietClean HFD-120-Q tower air purifier from Honeywell. A three-step filtration process gets rid of as much as 99-percent of all pet dander and general dust in 12-minute cycles. The small footprint of this device and quiet operation make it great for a single room in your home, studio apartment, or an office. QuietClean air purifier Slim tower design High-efficiency whisper-quiet operation 3-step filtration system Removes up to 99-percent of airborne particles such as smoke, dust, pollen, pet dander and mold spores Permanent, washable filters Built-in ionizer Energy Star green compliant Circulates and filters the room air every 12 minutes Great for pet owners and allergy sufferers AHAM certified CADR Smoke rating is 110, pollen rating is 132, dust rating is 100 Covers 13 feet x 13 feet/ 169 square feet Silver color Wipe clean with cloth or vacuum Weighs 34 pounds (approximately) Measures 29 inches high x 11 inches wide x 10 inches deep