This external wall vent cover is designed with 150mm (6") duct connections for supply and exhaust ventilation in residential, commercial, and industrial settings. Its modern wall-mounted baffle design helps reduce wind interference and noise while maintaining airflow efficiency. Constructed from UV-resistant and non-flammable materials, it ensures long-lasting durability and protection against sun exposure. Compatible with both 150mm and 160mm air ducts, it can be used for air intake or extraction. Features include a removable hood and a built-in drip tray for simple cleaning and effective moisture control. Commonly used in MVHR, MEV, dMEV, and single-room heat recovery ventilation systems.