318 CFM Air Purifier with Vacuumable Pre-Filter, Active Carbon Filter, Plasmacluster Air Purification System, True HEPA Filter, Energy Star Qualified, Library Quiet Design and Manual or Automatic Operation: White. Traps dust, dirt and other airborne particles. Absorbs common household odors and gases. Captures 99.97% of particles as small as 0.3 microns from the air that passes through it, including pollen, mold, pet dander and dust. Sharp's patented technology splits water molecules into positively and negatively charged ions, which spread throughout the room, surrounding airborne impurities and breaking them down. 3 manual fan speeds plus 15 minutes quick clean cycle and automatic dust sensor. "When the light is green, the air is clean". Can be switched between clean mode/ion control mode and auto mode automatically maintains the natural ion balance in the room. Operation is ideal for bedrooms and living rooms. Silent mode is as quiet as 23 decibels, about the volume of rustling leaves. With its advanced technologies, it is 40% more energy efficient than standard models. Require changing only once every 2 years so operating costs are low. Air Purification System: Plasmacluster and Fan. Applicable Floor Space: 454 sq. ft. Automatic Operation based on Sensors: Yes. Energy Star Rated: Yes. Recommended Room Size for Air Purification: 454 sq. ft. Plasmacluster Ion Modes: On/Off. Plasmacluster Indicator Light: Yes. Fan Speeds: 3 (High/Medium/Low) Plus Auto. Manual Operation: Yes. Air Louver: Yes; Fixed. Quick Clean: Yes. Clean Sign Indicator: Yes. Lights On/Off Button: Yes. Air Flow CFM (Max/Medium/Silent): 318/177/71. Dust: 303. Pollen: 360. Smoke/Tobacco: 293. Noise Levels (Max/Medium/Low): 55/40/23. Sensor (Dust or Odor): Dust. Micro Mesh Pre-Filter: Back Panel. Deodorizing Filter Life: Up to 6 Months After Operating. Filter Type: Non-Washable Active Carbon. Voltage/Frequency (V/Hz): 120/60. Power Input (W) (High/Low): 98/20/4.8. Power Cord Length (feet/M): 8.3/2.5. Safety Standard: UL. Parts Warranty: 1 Year. Labor Warranty: 1 Year. Overall Width: 15 7/8". Overall Depth: 9 5/8". Overall Height: 24 3/8". Weight: 17.6 lbs.