exterior wall vent round cover on the wall. stainless steel type

blue wall facade white architecture window iron line lighting design house roof wood art ceiling glass light exterior vent round cover stainless steel type air air duct vent airflow airhole apartment architecture asia asian balcony bathroom bull nosed circulation construction cover exterior wall hole home japan japanese kitchen outdoor outer outflow outlet brushed steel system tile toilet cap ventilate ventilation ventilator vents veranda wind wind