Compatible Models: The replacement filter is fitted to Rowenta Silence Force Compact, Silence Force Extreme, Silence Force Extreme Compact, Silence Force Upgrade, X-Trem Power, X-Trem Power XL, X-TREM Power Allergy Care RO5822, RO5825, RO5833, RO5911/11, RO5913, RO5921, RO5931, RO5938 Vacuum Cleaners, alternative ZR002901Contents: 2x H13 HEPA Filter for your Rowenta Silence Force or X-Trem Power vacuum cleaner. We recommend that the filter can be used for 2-3 months and replaced and cleaned after that. Frequent replacement or cleaning of the filter is helpful to extend the life of the vacuum cleanerWashable and Reusable: The ZR002901 filter is washable, the highly efficient filter cartridge can be dry cleaned. If you find it dirty, you can remove the filter, then wash and clean it to keep it clean and improve filtration. (Allow it to dry completely for at least 24 hours before use.) EXCELLENT FILTRATION PERFORMANCE: Our RO5921EA vacuum cleaner filters are made of durable, high-quality