4" x 11" 40 sq inch Fire Box Air Inlet Slide style Damper Kit (replaces 3 x 12 36 sq. in.)
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Our prefabricated damper slides save you time and money during your Smoker Project. 4 x 10, 40 sq inches of air. 7-3/8" x 22" OA size (opening is 4 x 11 leaving room for a slide handle)
Easy installation, simply cut the required size hole in your firebox and install this kit by stitch welding it over the hole.
Specs: 3x12 damper assembly outside dimensions will be approximately 22" closed and 8" tall 40 sq in of air intake1/4" plate steel slide damper with pre-bent 16 ga housing. Replaces our 3 x 12 slide damper that was 36 sq inch
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