Based on this product's specifications, here are some alternatives and similar models
Baks TRBJ100H42 Reducing Tee 100x42mm
Summary description:
The Baks TRBJ100H42 is a high-quality reducing tee designed for cable tray systems. With dimensions of 100x42mm, this component allows for efficient branching and size reduction in cable routing installations. Manufactured from durable materials, it ensures structural integrity and reliable performance in professional electrical infrastructure projects.