Air purifier provides excellent relief for allergy sufferers and fits seamlessly into any space. Multiposition operation lets you easily use this purifier in any room. Permanent True HEPA provides 99.97 percent filtration. Super Quiet and Super Clean settings are customized to fit your schedule and your lifestyle. Five speed settings provide options for different conditions. Filter service indicator signals when the filter needs to be replaced. 12-hour timer delivers worry-free operation. Air purifier includes an antimicrobial coated grill, pre-filter and carbon filters. Air purifier is designed for use with medium-size rooms up to 204 square feet.