TECHNOLOGY 

Blueair's original 503 air purifier features HEPASilent™ technology and environmentally friendly filters that allows it to create more clean air at a faster rate with less noise.  Air is drawn into the unit via an ultra-quiet fan.  Airborne particles pass through an ion chamber and are charged to ensure that they adhere effortlessly to Blueair's progressive three-stage filter.  Cleaned air that is free of impurities is recirculated into the room.  

• Energy Star^® Qualified: Ultra efficient technology and design of unit uses only 35 watts on low, and 125 watts on high speed)
• Patented HEPASilent™ technology combines the best of electrostatic and mechanical filter technology with ionic filtration to enable more clean air at a faster rate with less noise.
• Safe electrostatic technology cleans air thoroughly without producing ozone or off-gassing.
• 99.97% filtration efficiency of the tiniest 0.1 micron particles

DESIGN

The union of visually pleasing form and effective function is a hallmark of Swedish design, and Blueair is no exception.  The Blueair 503 is designed for maximum performance in mid-sized rooms. 

• Built in Caster Wheels: Durable and smoothly operating caster wheels for easy room transport of your Blueair 503.
• Durable Steel Construction: The external panels are made of attractive galvanized steel that have been powder coated for durability.  Being environmentally sound is kept in mind as there is no chemical gassing produced.  Th e unit is easy to wipe clean of dust and unlike plastic, will not pick up grime or oil stains.
• Blue Indicator Light: An attractive blue light glows softly to reveal when the machine is  working.
• Award Winning Design: Perfect combination of aesthetics and functional design has won numerous awards as well as Best of Class ranking in independent testing of Clean Air Delivery Rates (CADR)

FEATURES

• Particulate Filtration: Patented HEPASilent™ filtration technology is effective at capturing 99.97% of the tiniest 0.1 micron particles at low speed.
• Filter Options: Choice of HEPASilent™ or SmokeStop™ filters to address specific household needs
  
• Whisper Quiet Operation: Blueair cleans larger volumes of air more quietly than any other unit on the market
• Multiple Fan Speeds: 4 operating speeds available for optimal cleaning needs
• Contamination Resistant Filters: Blueair's waterproof polypropylene filters are naturally resistant to bacteria, viruses, and mold, without need for harsh chemicals and weekly washes
• Filter Change-out Indicator: The 503 model includes a magnetic timer w hich reminds you to change the filter every six months for optimum performance.
• Easy Maintenance: Easy to change filters, simply open the side panel, and replace drop in filter replacements every six months.
• SurroundAir™ technology diffuses clean air: On the lowest setting, Blueair produces virtually no noise while providing phenomenal air cleaning through the use of an area six times greater than the average air cleaner. 
• Environmentally Safe Filter: Blueair replaces outdated triclosan-coated paper or flass filter fibers, which can harm the environment.  Instead, the unit uses a nontoxic polypropylene filter which only produces carbon dioxide and water as it decomposes.  Used filters are 100% recyclable and do not release toxins.

SPECIFICATIONS

• Dimensions: Height x Width x Depth: 26 x 20 x 13 inches (660 x 500 x 340 mm)
• Weight: 35lb (16kg)
• Room Size: 580 ft² (54 m²)
• Clean Air Delivery Rate (CADR): 375 ft² (638 m²)