This listing is for a brand new Tuttle & Bailey 16"x10" T-bar lay-in ceiling diffuser. This high-quality air distribution product is designed for commercial and industrial applications, providing efficient airflow and a clean, professional look. The diffuser features a durable white finish and is ready for installation in a standard T-bar ceiling grid system. Perfect for HVAC ventilation systems in offices, warehouses, or retail spaces. Includes mounting screws.