POWERTEC 70135 P6V 4 Inch Aluminum Blast Gate for Dust Collector/Vacuum Fittings, 6 PK

NCLUDES: (6) 4" Aluminum Blast Gate FEATURES: Self-cleaning and clog proof groove design to remove constant cleaning maintenance, along with an easy-sliding gate, and locking stop to ensure perfect gate alignment FUNCTION: Maximizes the efficiency of your dust collection system by directing and regulating the air flow from one machine to another BUILD: Blast gate flaunts a heavy duty aluminum construction with a premium steel gate designed for eliminating air leakage, project flexibility and long-term usage VERSATILITY: Possesses a universal fit (nominal 4" OD outlet diameter, actual size - tapers from 3-29/32 to 3-31/32") for most shop vacs / shop dust collector systems with 4" ID hoses for woodworking - providing a reliable port extension for your table saws, miter saws, planers, drills and other tools