Quiet and economical

Blueair 403
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 HEPASilentâ„¢ 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.

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 recalculated into the room.
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.