Based on this product's specifications, here are some alternatives and similar models
Cable tray cover Baks PKL50/3 50 mm, 3 m length, 0.7 mm thickness
Summary description:
Baks PKL50/3 is a cable tray cover designed for 50 mm tray width, with a 3 m length and 0.7 mm material thickness. The cover protects cables from dust and mechanical damage, fits standard tray profiles of matching width, and is suitable for electrical installations in commercial and industrial environments where secure cable routing and protection are required.