New and innovative HEPA Air Cleaner features a Three-Stage filter assembly: Activated Carbon pre-filter, HEPA filter and VOC filter. Effectively and quietly removes volatile organic compounds (VOCs), odors and harmful particles. Negative Ionizer completes the air filtration. Features and Functions – LED Display Control Panel – 3 fan speeds (1=Low, 2=Medium, 3=High) – Filter replacement indicator – Up to 9 hours off timer – Convenient filter access for easy replacement – Display Panel Indicators brightness adjustment (ON, 50%, Off) – Low Noise Operation – Package includes 4 Activated Carbon Filters Pre-filters and 1 each of the HEPA and VOC Filters – Energy Star Activated Carbon Pre-Filter: removes household odors and large dust particles HEPA Filter: A high-efficiency air filter that captures 99. 5% of airborne pollutant particles as small as 0. 3 microns, including spores, pollen, mold, pet dander and dust. VOC (Formaldehyde) Filter: Formaldehyde and other VOCs can be found in building materials, foam insulation, household products and fuel-burning appliances. They can prompt headaches, vomiting, rashes, asthma attacks and some are suspected to cause cancer. AC-3036 VOC honeycomb filter effectively removes formaldehyde, toluene and VOC. Factory tested: VOC removal efficiency reaches 95%, under the following conditions: 1m3 test room; initial concentration: 1. 9-2mg/m3; 4hrs testing. To read more on VOCs: http: //www. epa. gov/iaq/voc. html#Health Effects CADR 100 (factory tested) Recommended room size up to 155 sq. ft. Specifications Power input 120V AC, 60Hz Power consumption (high) 37 W Noise level (low) ?? dBA Unit Dimension 12. 4W x 7. 4D x 14. 3H inches Weight: Actual/Shipping 8. 6/16 lbs Box Dimension 15L x 9. 625W x 17. 25H inches