INCLUDES: 3” 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 3-Inch tapered O. D. measured 2-15/16-Inch, Weight: 0.67 pounds, Manufacturer: POWERTEC