1. Suitable for Shark AI AV2501AE AV2511AE RV2502AE robot vacuum cleaners.2. Easy to install, no tools required, easy to install.3. In order to keep your robot vacuum cleaner running at high performance, it is recommended to replace the replacement parts every 2-4 months, also depending on your frequency of use.4. Made of high-quality materials, durable5. Exquisite and delicate, highly matched with the device

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