Based on this product's specifications, here are some alternatives and similar models
Ventilation grille with hood airRoxy Ø80–150 mm graphite airRoxy 02-371GR
Summary description:
Wall or duct-mounted ventilation grille with protective hood by airRoxy, model 02-371GR. Designed for ducts or openings with diameters from 80 to 150 mm, finished in graphite. Provides airflow passage while shielding the inlet/outlet from weather and debris. Suitable for residential and light commercial ventilation systems, exhaust or supply vents, and renovation projects.