Features: 1Removal of Contaminants and Large Particles: Filter cartridges effectively remove large and airborne particles and common contaminants including dust particles dust pollen smoke odors pet dander etc. 2Odor Removal: High efficiency particulate filters fine filters to reduce unwanted odors in the living space filters reduce chemical VOCs tobacco smoke and remove common household odors. 3Proper Sealing:The filter is sealed to protect its life. It is recommended to change the filter once in a while. to keep your machine fresh and clean. For best results remove the filter once a month and clean it with a soft bristle brush. 4Easy Installation: Installation is very simple and does not require particularly complicated operations providing comfort for you and your family changing in minutes and without special tools. 5Compatible Model: Filtration set including 1 high efficiency filter 1 honeycomb filter and 1 cotton filter suitble for KJF280ZA W KJF280WA W KC BD30S air purifier. Specification: Item Type: Air Purifier FilterWeight: 952g / 33.58ozMaterial: High Efficiency Particulate AirProduct Size: Approx. 40x24.5x4cm / 15.7x9.6x1.6in Package List: 1 x High Efficiency Filter1 x Honeycomb Filter1 x Cotton Filter Note: Please take the new filter out of the plastic bag before putting it in.