Napoleon Attic Firestop/Vent Sleeve, 4/7" | AVS47KT
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The Napoleon AVS47KT Attic Firestop/Vent Sleeve is used where 4" x 7" flexible direct vent passes through a ceiling into an attic. It maintains the required clearance around the vent and helps prevent fire spreading into the attic space. It replaces parts W585-0072 and W170-0063.
Type: Attic Firestop/Vent Sleeve
Model: AVS47KT
Vent Size: 4" x 7"
Replaces: W585-0072 | W170-0063
Compatible With: Napoleon Flexible Direct Vent