Based on this product's specifications, here are some alternatives and similar models
DEMCiflex dust filter for Lian Li O11 Dynamic XL — GPU cover, model 1098
Summary description:
Dust filter for Lian Li O11 Dynamic XL designed as a GPU cover by DEMCiflex (model 1098). Acts as a removable protective mesh that reduces dust ingress around the graphics card area, helping maintain airflow and cooling efficiency. Suitable for use in desktop PC cases to prolong component lifespan and simplify cleaning.