High Performance Hepa Grade Filter: Captures 99% of pet dander, dust, dust mites, pollen, and mold / mildew spores as small as 3 microns from the air. Easy to clean: Allergen reducing air purifier has a permanent Hepa-grade filter that easily vacuums clean. Compact, stylish design: Allergen reducing air purifier is perfect in the office or in rooms up to 160 square feet Versatile air care that fits anywhere: Position the unit vertically or horizontally to best fit in your bedroom, den, nursery, hallway or living room at home or at the office. Quiet and powerful: Use whisper clean for extra quiet operation at night, the medium setting or the quick clean setting for more powerful air cleaning. 3 versatile speed settings: Air purifier has three versatile speed settings that give you ultimate control. Use quiet setting at night or quick setting for powerful air cleaning. Use how you want, where you want: this air cleaner works standing up or on its side.