Wall Cap - Broan 636AL
This Wall Cap is made for 3 inch or 4 inch round duct. This Wall Cap includes a built in back draft damper and bird screen. This Wall Cap has a sleek look with its natural aluminum finish that will compliment almost any roof. This Wall Cap comes with an installation guide that provides the easy steps to assembling the product with no trouble.
Wall Cap - Broan 636ALTechnical Specs