Based on this product's specifications, here are some alternatives and similar models
Fibre Optic Splice Enclosure Techly I-CASE DIN-SPL6SCDT Grey 57mm x 115mm
Summary description:
The Techly I-CASE DIN-SPL6SCDT is a grey fibre optic splice enclosure designed for efficient fiber management. With a width of 57mm and height of 115mm, it is compatible with Techly I-CASE DIN-SPLICET. Weighing only 39g, it is lightweight and easy to install, ensuring reliable protection for your fiber connections.