Based on this product's specifications, here are some alternatives and similar models
Vacuum cleaner accessory Roborock Dyad Pro / Dyad Air replacement part (MPN 9.02.0398)
Summary description:
Replacement accessory compatible with Roborock Dyad Pro and Dyad Air models, MPN 9.02.0398. Designed to restore or maintain the performance of the vacuum cleaner, this genuine part fits original mounting points and connections. Use it to replace worn components, ensure reliable suction and cleaning function, and extend the appliance’s service life. Ideal for routine maintenance or repairs.