FEATURES- QuietFlo 730 Tower HEPA mall/Medium Air Purifier Today's energy-efficient buildings can harbor a hidden heath threat: indoor air pollution. Modern construction techniques often lock in dust, smoke and other allergens. According to an EPA report, indoor contaminants can now build to levels up to six times worse than found in outdoor air. Thank goodness for Hunter air purifiers. They capture 99.97% airborne particles. * QuietFlo 99.97% Effective to 0.3 Microns * Changes the Air up to 6 Times Per Hour * 30% Better Odor Reduction * Separate Ionizer Enhances Air Cleaning and Freshens Air * Mechanical Controls * LED Filter Change Indicator * 3-Speed Whisper-Quiet Hunter Fan * Room sizes up to 11 ft. x 14 ft. * CADR: Smoke – 95 Dust - 95 Pollen- 100 * Model 30962 Replacement Filter * Model 30901 Pre-Filter * NOTE- 99.97% effective at removing particles as small as 0.3 Microns that pass through the filter. Overall airborne particle retention in any environment depends upon a number of factors including the amount of air processed, the particle type, and the rate of particle introduction into the environment. * Shipping Depth: 12.0 * Shipping Height: 34.5 * Shipping Width: 21.5 * Warranty: 1 YEAR