The METROPAC 50018995-001 Dh90 10" Backdraft Damper is designed to prevent backflow in ventilation systems, ensuring efficient airflow management. Constructed from high-quality materials, this damper is built to withstand various environmental conditions. Its 10" size makes it suitable for a range of applications, providing versatility in installation. The damper operates smoothly, allowing for easy opening and closing, which enhances system efficiency. Ideal for both residential and commercial use, it is an essential component for maintaining optimal airflow and preventing unwanted drafts.