No Warranty.

Overview

HEPASilent™ :

Certified efficiency 99.97% for particles down to 0.1 microns such as dust, pollen, bacteria, virus, pet dander, mold spores and other airborne particles.

Active carbon filter sheets:

Active carbon filter sheets removes gaseous pollutants such as cigarette and cigar smoke or other VOCs (Volatile organic compounds, including household paints and other chemicals)