
4.11 Premium Air Supply Outlet for Enhanced Efficiency. High Efficiency Airflow: Optimal airflow distribution with aerodynamic diffuser plate to prevent eddy currents. Premium Material Construction: Box body made of cold-rolled steel with baking finish or stainless steel. Flexible Air Supply Modes: Available with square or round flange openings for versatile installation. Custom Size Options: Custom sizes are acceptable beyond standard models LJ-DCT320/484/610. One Year Warranty: Comprehensive one-year quality warranty covering mechanical defects. CE Certified: Product meets CE certification standards for safety and quality. Installation Guidance: Professional installation guidance provided as part of after-sales service. Thermal Insulation: Thermal insulation cotton available for enhanced performance.