1.Compatible Models: Suitable for filters of Rowenta X-FORCE FLEX 9.60 and X-NANO ESSENTIAL, RH1127WO RH1128WO, RH1129WO, RH2037WO, RH2038WO, RH2039WO RH2078WO RH20C2WO RH20COWO, compatible part numbers ZR009010 ZR009012. (Please confirm your vacuum cleaner model before purchasing!)2.Effective Dust PreventionThe pre-filter and engine filter kit are made of high-quality soft materials with strong filtering ability. It can improve the suction power of the vacuum cleaner for pet hair, pollen, dust mites, large dust particles, etc. Rowenta filter 9.603.Washable and Reusable: The filter of Rowenta X-FORCE FLEX 9.60 adopts a fully washable and reusable design, which has a longer service life and better filtering effect, making your vacuum cleaner more durable. Easy to disassemble and replace.4.Regular Replacement: Regular cleaning and replacement of filters can maintain perfect performance and extend the life of the vacuum cleaner. In order to maintain the best performance of the vacuum cleaner, it is recommended to replace the filter every 2 to 3 months.5.Package Included: 2 * Pre-filters The pre-filter and motor filter assembly are made of high-quality soft material with high filtering capacity.