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The Blueair 501 HEPASilent Air Purifier combines the best of mechanical and electrostatic technologies to offer the highest quality, best performance and quietest room air purifier on the market today. Awarded the highest CADR (Clean Air Delivery Rate) in its category by the Association of Home Appliance Manufacturers (AHAM) in a January 2004 test, the BlueAir 501 Air Purifier effectively captures the smallest of particles in less time than that of other air purifiers on the market. With the quietest operation in the industry, a very energy-efficient, award-winning design and a 10 year limited warranty, the Blueair 501 Air Purifier is simply the best choice for anyone who cares about clean, pure air.
Quietest units in the industry: Sophisticated materials and precision engineering allow the Blueair 501 to clean indoor air without the noise associated with other units. Blueair's low-density "HEPA-Silent" filters clean larger volumes of air more quietly than any other unit in the industry. Even the housing is designed with quiet operation in mind, replacing sound-sonant plastic with noise-muffling steel.
SurroundAir: Blueair's efficient SurroundAir™ vent system delivers exceptional air exchange (up to 500 cubic feet per minute) without annoying drafts (clean air is distributed out of three sides of unit); performance that earned the 501 Best of Class ranking in independent AHAM testing of Clean Air Delivery Rate.
Patented HEPASilent™ Filter Technology: A revolutionary combination of advanced filter media and an encapsulated ion particle charging chamber makes it possible for the Blueair 501 air purification system to achieve better results than either mechanical or electrostatic technology alone. Blueair's patented HEPASilent filter technology is proven effective at capturing 99.97% of the smallest 0.1 micron particles. Standard HEPA filters measure efficiency at 0.3 microns. While a typical HEPA filter removes 99.97% of particles 0.3 microns or larger, Blueair's HEPASilent filters remove 99.97% of particles as small as 0.1 microns in size on it's lowest speed.
Easy to Use and Maintain
Plug it in, select the speed setting, and forget it. The Blueair 501 works so quietly, at first you may find yourself wondering if it's turned on. Just check the bright blue power-on light. Blueair filters require no weekly additives or filter washing. The grilles and powder-coated steel exterior are easy to wipe clean, and won't pick up grime and oily stains the way plastics can. When the filter needs to be replaced (twice yearly), just open the lid, lift out the old filters and drop the new ones in. No screws, hooks or tools and less than one minute of your time are required.
Features:
- Purifies up to a 620 square foot room (20 x 30)
- Highest rating of 166 air purifiers in the January 2004 AHAM Room Air Cleaner Directory on dust, pollen and smoke
- HEPASilent technology that combines the best of mechanical and electrostatic precipitator technologies
- Exceptional filtration - 99.97% at 0.1 microns on speed 1
- Quietest operation in the industry
- Easy rolling casters
- No ozone
- 10-year limited warranty
- Very energy-efficient
- Award-winning Swedish design
Specifications:
- Size: 26" H x 20" W x 13" D
- Weight: 35 lbs.
- Room size: 620 sq ft
- CADR: smoke 388, dust 377, pollen 378
- Speeds: 4

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