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Blueair 403 Air Purifier

3 Air Purifier Air 402 Air Purifier
  • HEPASilent™ technology,
  • Captures 99.97% of the tiniest 0.1 micron particles
  • For rooms up 365 square feet in size
  • EnergyStar Rated
Save $137.25 (20.00%) through 10/15/2019
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Compare Blueair Air Purifiers | Blueair 403 Product Manual

Blueair air purifiers are the ideal machines for people with allergies, asthma, and other respiratory conditions, or for anyone who wants cleaner, more breathable air. Using Blueair's patented, two-stage HEPASilent filtration technology, the 403 effectively cleanses the air of 99.97% of the allergens and micro-organisms down to 0.1 micron in size. The 403 is recommended for rooms up to 365 square feet in size.

Among its other notable features are low energy consumption, galvanized steel construction, and easy maintenance. To maintain this air purifier, simply open the side, slide out the used filter, and slide in a new one every six months.

About Clean Air Delivery Rate (CADR)
Clean Air Delivery Rate is measured by three numbers: one for tobacco smoke, one for dust, and another for pollen. These numbers indicate the rate (in cubic feet per minute) at which these particles will be filtered out of the air in your space. The higher the machine's CADR numbers are, the more effective it is. To find out which one works for you, consider the size of the room where you're planning to use an air purifier. You will want a model with a CADR of at least two-thirds the size of that space.'s price for the Blueair 403 air purifier includes free shipping! For more information about this or any of the other Blueair air purifiers we carry, please call (866) 972-8227.



Product Specs






 No Ozone Emissions

Disposable/Washable Filter


Clean Air Deliverly Rate:










Average Filter Life:

 6 Months

Particulate Size:

 0.1 Micron


 23"H x 20"W x 11"D


 34 lbs.

VOC Filter:


Square Feet:

 365 square feet


 Galvanized  steel

Noise Level:

 27-57 dba

Filter Change Indicator:


Power Consumption:

 30-70 watts

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  • Galvanized steel housing
  • For rooms up to 365 square feet in size
  • Low energy consumption
  • Whisper-quiet operation
  • Easy to maintain
  • Filter change indicator
  • No ozone emissions
  • Disposable filters


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