Based on this product's specifications, here are some alternatives and similar models
Recessed Back Box ELEKTROPLAST 96×126×62 mm, orange, model 11.4
Summary description:
Recessed electrical back box by ELEKTROPLAST, model 11.4, measuring 96×126×62 mm in orange. Designed for mounting switches, sockets and other flush fixtures in walls. Constructed for in-wall installation with standard dimensions for cable entry and device fixing. Suitable for residential and commercial electrical installations where a recessed mounting box is required.