General description The Adjustable Ventilation Grille is a sturdy and durable air vent cover designed for easy installation and maintenance. Made from high-quality ABS material, it features an elegant appearance and fine workmanship, making it suitable for both functional and decorative purposes. Technical specifications Material: ABS Diameter: approximately 75mm / 2.95" Installation Easy to install on ceilings or walls. The mounting box is straightforward to set up. Usage Ideal for low noise indoor exhaust applications. Can be used for decorative purposes.