Based on this product's specifications, here are some alternatives and similar models
Simet Multiwall Flush-Mounted Junction Box M6x60F, 6x60mm, 212x156x50mm
Summary description:
The Simet Multiwall M6x60F is a deep flush-mounted junction box designed for electrical installations. Featuring a 6x60mm configuration and dimensions of 212x156x50mm, this robust enclosure provides ample space for wiring and connections within wall structures. It is suitable for professional electrical projects requiring reliable and secure mounting solutions for various electrical components.