
The tried and true original
Experience the crisp feeling of cleaner air brought to you by the model that made Blueair a world leader in air purifier design and technology.
The Blueair 403 continues to deliver outstanding performance that has withstood the test of time. Using patented HEPASilent™ technology, it captures 99.97% of the tiniest 0.1 micron particles on level one, including allergy-provoking pollen grains, dust mites, mold spores and pet dander particles.


Blueair 403 with Particle filter is the ideal choice for allergy sufferers and other health-conscious individuals that need high-efficiency particle removal. The unit contains one polypropylene 3-stage progressive filter that contains millions of ultra-thin fibers with each state trapping progressively smaller harmful particles as they pass through the pleats. The Blueair 3-stage progressive filter effectively removes every type of particulate air pollutants, including allergens, pollen, mold spores, dust, pet dander, bacteria, and viruses.
Blueair 403 SmokeStop Unit is the ideal choice for allergy sufferers and other health-conscious individuals that need high-efficiency particle removal plus gas and odor control. The SmokeStop filter is a progressive carbon filter with a honeycomb-type structure that improves airflow and has hundreds of odor and gas absorbing carbon pellets. The filter contains 2.0 lbs of coconut shell activated carbonimpregnated with a 70/30 blend of Potassium Hydroxide (KOH) and Potassium Iodide (KI). The carbon eliminates volatile organic compounds (VOC), which are responsible for odors.
The Smoke Stop filter is recommended for use in rooms where heavy gaseous pollutants such as cigarette and cigar smoke or other VOC's are present.

• Ideal for mid-size rooms up to 365 ft2 (34 m^2)
• 99.97% filtration efficiency
• Energy Star® qualified