3" OD Self Cleaning No Clog Aluminum Blast Gate Cut Off Valve for Dust Collection System ABG3 sold2026 Teens & Children Perfect for

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3" OD Self Cleaning No Clog Aluminum Blast Gate Cut Off Valve for Dust Collection System ABG3 sold2026 Teens & Children Perfect for3" OD Self Cleaning No Clog Aluminum Blast Gate Cut Off Valve for Dust Collection System ABG3 These 3" OD blast gates are used to open and close branch ducts and direct airflow only to those machines in operation. This conserves air volume and keeps suction strongest where dust is being produced, thus maximizing dust extraction. Outer case made from cast aluminum with sliding steel gate and locking knob. Typical gate allow debris to accumulate in the