4" OD Aluminum Self-Cleaning Blast Gates
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- Will fit 4" diameter hoses or ducts
- Direct air flow to exactly where you need it and maximize dust extraction by opening and closing select ducts.
- Open slot at back to for self-cleaning, no-clog operation
- Cast aluminum, steel sliding gate, locking knob
Available in packs of 1, 2, 4, or 6.
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