Ventilation diffuser from the company Innovation #innovaciia
There are 3 versions in the archive:
- installation with a stretch ceiling,
- installation with a single-level plasterboard (gypsum plasterboard) ceiling
- installation with a two-level plasterboard (gypsum plasterboard) ceiling

https://500lumen.com/ 
https://vk.com/innovaciia 

All our 3d models https://3dsky.org/search 

We cooperate with designers and architects.
Installation instructions are available upon request.