【Wide Compatibility】: The filter compatible withTineco A10 Hero, A10 Series, A11 Hero, A11 Series, PURE ONE S11, S11 Series, PWRHERO11 Snap Cordless vacuum cleaner. 【High Efficiency Filtration】: These vacuum filters replacement are made of high-quality materials, durable and stable, can maintain a good filtration effect for a long time, improve cleaning performance and strong suction. 【Washable and Reusable】: After a period of use, the replacement filter can be cleaned with water to remove the dust and dirt accumulated in them and maintain their normal working effect, and must be completely dry before reinstallation.Please replace the pre filter every 3-4 months, HEPA filter every 6 months for continuous cleaning performance. 【Easy to Install】: You just need to remove the old filter and install the new A10 A11 filter in place for continuous cleaning performance. 【24 Hours Customer Support 】: We always sincerly hear to Solve your problems, don't hesitate to contact us if you have any problems ,we will make effect to give your pleasant shopping experence. Compatibility： Vacuum filter replacement compatible with Tineco A10/A11 Hero,A10/A11 Master,Pure One S11 cordless vacuum cleaner. Package: The package contains 6 pre-filters and 6 post-filters. Tip: Replace or clean the filter regularly for sustainable, stable and efficient performance. Buy Worry-Free： Please check the model number before adding it to your shopping cart and purchase according to your needs. 24 hours online service for you, detailed model questions, you can contact us at any time.