Ventilation Duct Cover, 75mm Disc Valve, Adjustable Air Vent Cover, Adjustable Aeration Air Exhaust Grille Cover, Air Supply Pipe Hood Ventilation Grille

【Adjustable Design】Our adjustable design plastic ventilation grille allows you to control the airflow by adjusting the control valve on the air outlet, ensuring optimal airflow and ventilation tailored to your needs. 【Removable Air Vent】Our 75mm round ventilation grille fan cover consists of a mounting sleeve and an adjustable mask. The white vent plate is removable, and the smooth casing allows for easy cleaning and maintenance when needed. 【Durable and Stylish】Our ventilation duct cover ceiling diffuser exhaust supply valve is made of high-quality ABS material, making it sturdy, compact, stable, and durable. Our HRV ventilation grille has a simple design and elegant appearance, adding a stylish touch to your space while effectively ventilating it. 【Easy to Install】Ventilation Disc Air Exhaust Grille Cover It's easy to install. Using the reverse loop device, slide the cover into the previously opened hole, then twist it slightly to secure it. Connect the pipes and lock them with hose clamps. Simple and convenient, it helps you easily complete air conditioner exhaust work. 【Wide Application】 Our 75mm adjustable disc valve air vent grille is quiet and can be installed indoors as an air intake and outdoors as an air outlet. It can be easily installed on the ceiling or wall for ventilation in bathrooms, kitchens, and offices.