Main Features:

Pre-Filter for large dust and human hair
HEPA filter for allergens, pollen, dust mites, tobacco smoke, and pet dander
Cold Catalysts filter for removing bacteria and some harmful airborne chemicals from carpeting, flooring and paint and household cleaners and eliminating all sorts of offensive odors, keep indoor air fresh and clean

Includes:
1 pc Replacement Filter Set
Pre-Filter
HEPA Filter
Honeycomb Filter
Cold Catalyst Filter