Stainless Steel Round Louver Wall Air Vent Air Outlet Ducting Ventilation Exhaust Grille Cover 70/ 150/ 180/ 190/ 200mm
https://www.vogueparade.com/shopping/EN/200366148/1/1005002985328172/stainless-steel-round-louver-wall-air-vent-air-outlet-ducting-ventilation-exhaust-grille-cover-70-150-180-190-200mm//