The Nuova Rade 12410 ventilation grille is equipped with a round connection flange for duct mounting. The model with a diameter of 6.5 to 7 cm is made of high-quality, high-strength white plastic and contains 4 mounting holes in the corners for easy installation. The device is used to properly distribute the air flow inside the room and is perfect for decorating the outlets of supply or exhaust ventilation systems.