Features 1、Good Filtering: The filter element can effectively filter out particles up to microns, such as dust, pollen, pet hair and so on. 2、No More Odours: Moreover, the cotton and activated carbon materials with pore structure enables strong absorption to remove the odour. 3、More Enjoyment: Excellent filtering effects can build you a cleaner living environment, so you can fully enjoy your refreshing home. 4、Reliable Works: Comes with better noise reduction and longer service life, the air purifier filter also ensures stable air flowing. 5、Ideal Matching: Suits perfectly for blueair classic 402, for blueair classic 403, for blueair classic 410, for blueair classic 450e, for blueair classic 455eb, for blueair classic 405. Specification Item Type: Air Purifier Filter Material: High efficiency particle air filter, cotton, activated carbon. Package List 1 x Air Purifier Filter