Based on this product's specifications, here are some alternatives and similar models
Kitchen air vent stainless steel No name model K/*LUFT — stainless kitchen air vent
Summary description:
Stainless steel kitchen air vent No name model K/*LUFT designed for kitchen ventilation and air extraction. Constructed from stainless steel for corrosion resistance, it serves as a duct or terminal for connecting extractor fans, range hoods or ventilation systems. Suitable for residential kitchens and light commercial use where a durable stainless finish and airflow passage are required.