This miter saw dust deflector replacement is compatible with models DWS779R, DWS780-B2, DWS779, and DWS780, ensuring a proper fit when you confirm your tool model and dimensions. Designed with an optimized dust diversion structure, it effectively directs sawdust and debris away from the cutting area, keeping your workspace cleaner and improving cutting efficiency. Made from durable, wear-resistant engineering plastic, this compact and sturdy dust port is built for long-term use in demanding woodworking applications. The enhanced airflow design improves visibility around the blade by reducing airborne debris, increasing cutting accuracy and safety. Lightweight and easy to install or remove without special tools, this cost-effective replacement dust port saves time and maintenance costs while enhancing dust management performance.