Based on this product's specifications, here are some alternatives and similar models
End plate OBO Bettermann BEB 400 FS (model 7083408) for cable trunking systems
Summary description:
OBO Bettermann BEB 400 FS end plate (model 7083408) is a replacement component designed for use with BEB 400 cable trunking systems. It seals and finishes the end of trunking runs, providing a neat termination point and protecting cables from dust and mechanical contact. Suitable for electrical installations where a fitted end plate is required.