The Broan-NuTone 634M Black Steel Roof Cap is a unit designed specifically for 6-inch round ducts. Made by the reputable brand Broan-NuTone, this roof cap is durable and reliable for your heating, cooling, and air needs. The black steel construction adds a sleek and modern touch to your home's exterior while effectively covering and protecting your duct system. Had bought it brand new and never ended up needing it.
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