Quiet and economical
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
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.
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.