QuietClean Tower Air Purifier with Permanent Filters * * Captures up to 99% of ultra fine particles such as smoke * * dust pollen mold spores and pet dander1 * * Permanent filter is easy to clean – simply rinse in water * * Whisper quiet operation * * Optional on/off oscillation * * Washable pre-filter captures larger particles * * 3 air cleaning levels LED touch button control-Electronic filter clean indicatorAHAM CADR (smoke): 110/ Rm Size: 12’x14′ (170 sq.ft.) * * 5 year limited warranty