Jet JW1142 4-Inch Aluminum Blastgate
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<b>[Product Information]</b><br>
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<li>For use with your shop dust collection system</li>
<li>Maximizes system efficiency</li>
<li>Cast-aluminum body with a steel gate</li>
<li>Features locking knob</li>
<li>Has 4-inch OD</li>
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