Blueair Replacement Filter Dual Protection 400 Series

The Smokestop Fitler is a combination HEPA and Carbon filter giving you the best of particle filtration as well as chemical filtration and odour elimination.

SmokeStop removes gaseous pollutants such as tobacco smoke, carbon monoxide, ethylene oxide, ozone and VOCs (volatile organic compounds) including household paints and other chemicals

Made of enhanced activated carbon, the SmokeStop™ Filter removes not only airborne particles but also gaseous pollutants such as cigarette and cigar smoke or other VOCs (volatile organic compounds) including household paints and other chemicals.

Manufacturer recommends you replace the filters every 6 months based on normal usage.

Activated carbon with magnesium dioxide and copper oxide impregnation

Adding activated carbon to a filter may affect airflow and CADR. You may also notice a slight odor from the enhanced activated carbon when the filter is first used, but this will quickly dissipate.