INCLUDES: (2) 5 inch Aluminum Blast Gate FUNCTION: Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another FEATURES: Self-cleaning and clog proof groove design to eliminate constant cleaning maintenance, along with an easy-sliding gate, and locking stop to ensure perfect gate alignment BUILD: Blastgate flaunts a heavy duty aluminum construction with a premium steel gate designed for eliminating air leakage, project flexibility and long-term usage 5-Inch tapered O. D. measured 4-49/64-Inch, Weight: 3.36 pounds, Manufacturer: POWERTEC