Based on this product's specifications, here are some alternatives and similar models
Rubber Main Brush replacement for Roborock Qrevo0 Curv / Qrevo0 Edge / Saros5 10R and compatible models (MPN 8.02.0363)
Summary description:
Replacement rubber main brush compatible with Roborock models Qrevo0 Curv, Qrevo0 Edge, Saros5 10R (including R&D variants), Saros0 10, Qrevo5 Edge and related models. Design matches original fit and secures into the main brush slot to handle carpet and hard floor cleaning by lifting and channeling debris into the suction path. Suitable for maintenance and restoring cleaning performance.