3-stage HEPAtech filter removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke, dust, pollen, pet hair and dander, mold spores and dust mites
Stage 1: Mesh particle screen pre-filter captures larger particles such as dust, lint and hair
Stage 2: Submicron primary filter is made out of a micro-filter material which removes particles as small as 0.3 microns in size
Stage 3: Activated charcoal filter removes household odors from cooking, cleaning, smoking and pets
Recommended to replace every 12 months for maximum efficiency, or more often depending on air quality & environmental factors
Package contains 1 replacement filter
Product Dimensions: 13-1/2 x 10-1/2 x 3/4 inches