DuraVent 46DVA-FS 4” x 6 5⁄8” DirectVent Pro Ceiling Firestop
$20.22
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DuraVent 46DVA-FS DirectVent Pro Ceiling Firestop For 4” x 6 5⁄8” direct vent. Required for multi-story vertical installations at the second floor and any subsequent floors. 4”x 6 5/8” style may vary.
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