Includes both the inner and outer filter required for SmartAir's purification stages.
Outer: HEPA filter with up to 99.996% single pass capture for dust, pollen, mold, bacteria, and any airborne particles down to 0.3 Microns.
Inner: UVC Charged filter. Activated carbon with Smart UV coating that reacts with UV light, charging the surface with free radicals that destroys pollutants as air cycles through.
Recommended to be replaced every 6 months. Helps purification stay at its optimal level.