Features:Effective filtering dust, for preventing the dust particles into the motor chamber and damage to the motor at high speed, to ensure the service life of vacuum cleaner.Able to filter out the harmful parasites that may cause respiratory tract irritation.Easy to install, in order to ensure effective, filter should be replaced every three-six months.Strong adsorption effect: To bring you a clean environment and fresh air without any allergic source.It is a good replacement for Xiaomi CJ53 C53T CP31 JIMMY Vacuum Cleaner JV51 filter core.Specification:Condition:100% Brand NewMaterial: Activated carbonColor: As shown in the pictureSize: Approx.6.4*6.4cm / 2.5*2.5inSuitable for CJ53 C53T CP31 JV51Package List:1 x Vacuum Cleaner FilterNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering!.