Product: Air King E-22A 7-Inch Round Collar with Back Draft Damper
Brand: Air King
Color: Stainless Steel
Prevents outside air from penetrating the home
Features an aluminum construction
7-inch diameter and fits 7-inch round ducting
Use with QZ2 and DS Series hoods for vertical round ducting
Comes with a 1-year limited warranty

Search query: vent hood collar
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