About This Clog-Free Design: The self-cleaning design acts like a dust separator, clearing debris with every close to prevent clogging; smooth airflow through these Rockler dust collection fittings, optimizing suction & helping to run efficiently Durable Construction: Made from reinforced polymer with perfect reinforcements, this blast gate is designed for a secure connection in your wall mount dust collector setup, making it a 2.5 inch dust collector Optimized Airflow & Maximum Suction: The sliding gate maximizes airflow, enhancing suction in your woodshop dust collection system; this makes it perfect for dust collectors for woodworking, keeping your workspace clean and dust-free Easy Wall Mounting: Our blast gate includes an integral mounting bracket for secure wall attachment without extra hardware that keeps your dust collectors organized while ensuring a strong connection at the dust port What’s Included: You get (1) Dust Right 2-1/2'' to 2-1/2'' Ready-Mount Blast Gate with this wall mounted dust collector