Based on this product's specifications, here are some alternatives and similar models
Washable dust bin filter for Roborock Q7 Q8 Q5, replacement MPN 8.02.0221
Summary description:
Washable dust bin filter compatible with Roborock Q7, Q8 and Q5 models. This replacement filter (MPN 8.02.0221) fits into the vacuum cleaner's dust collection bin to capture dust, hair and debris and help maintain suction performance. It is easy to remove, rinse under water and reinstall without tools. Suitable for regular maintenance to extend device life and ensure consistent cleaning results.