[HEPA AIR FILTER REPLACEMENT]-A true HEPA filter, activated charcoal layer, and pre filter work to help improve indoor air quality. Removes at least 99.97% of airborne particles 0.1 Micrometres or larger. perfect for removing pollen, small pet dander particles and dust from the air. [ACTIVATED CARBON FILTERS FOR ODOR REMOVAL ]- Activated carbon filters remove odors from indoor and office environment like cigarette smoke, fireplace fumes, VOCs, pet odors and kitchen odors [FOR USE WITH PORTABLE PURIFIERS]- Replacement filter is specifically for use with Ionic Air Purifier, a tabletop purifier for rooms up to 50 sq. ft in size [3 STAGE PURIFICATION PROCESS]- Pre filter for removal of large particles, HEPA filter for very small air particles and activated carbon filters for odor removal. colour: white + black Material: plastic + cloth Package Contents: 1 X Spare Filter