Based on this product's specifications, here are some alternatives and similar models
Cable tray cover Baks PKR35/2 35 mm width, 2 m length, 0.5 mm thickness
Summary description:
Baks PKR35/2 is a cable tray cover designed for 35 mm wide trays, measuring 2 m in length with 0.5 mm material thickness. The cover protects cables from dust and mechanical impact, completing cable management systems in industrial and commercial installations. Suitable for mounting on matching 35 mm trays to secure and conceal wiring runs.