[HEPA Filter for LG A9] --- The replacement pre-filter is only for LG CordZero A9 series cordless stick vacuum. Please kindly check your machine model before ordering. [Moldes] --- A939KBGS, A937KGMS, A907GMS, A927KGMS, A925KSM, A927KVMS, A905RM, A908VMR, A929KVM, A913BM, A958SG, A9ULTIMATE, A9SINGLE, A9MULTI, A9PETNBED2X, A9MASTER2X, A9PETNBED, A9ESSENTIAL, A9MULTI2X, A9ADVANCED, A902RM, A906SM, A958KA, A958SA, A9DDCARPET2, A9DDCARPET [No Dust Leakage] --- The rubber ring on the filter sticks tightly to the plastic frame, completely sealed while maintaining the airflow, and the dust will not enter the vacuum engine by throwing the filter. [Washable and Reusable] --- The vacuum filter is made of high-quality material, washable and reusable. We recommend that you change the filter for at least 1-3 months according to the amount of dust collected by the vacuum cleaner. [Worth Buying] --- You will get 4 pack replacement filters and our whole time 24 hours customer service. We care about all your feelings and are ready to help you solve any problems. Replacemnet filter for LG CordZero A9 series crdless sick vacuum