【Compatible Model】The KJ217 replacement filter is perfectly compatible with Moo-ka KJ217 air cleaner purifier.Snugly fit with your unit 【High Grade Filter】Only adopting premium filter for your home,office or school 【Activated Carbon Filter】The activated carbon filter layer helps to absorb household odors such as pet odor,cooking odor,car exhaust and VOCs 【Long Lasting】Typically lasts up to 6-12 months, depending on usage, ensuring long-term effectiveness in keeping your home or office clean 【3 Stages of Filtration】Includes a pre-filter,Main filter and activated carbon filter to efficiently maintain optimal performance of your device 【Easy to replace】It is quite easy to replace the filter without any tool.Just need to take out your old filter and put the new one into your machine 【Value Pack】Including 4 packs KJ217 replacement filters at low cost for you to use for longer time Filter