Photo 1 of Broan Exterior Blower Rough-In Kit with 10" Round Duct for Models 331H/332H/335/336

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Photo 1 of Broan Exterior Blower Rough-In Kit with 10" Round Duct for Models 331H/332H/335/336 Photo 2 of Broan Exterior Blower Rough-In Kit with 10" Round Duct for Models 331H/332H/335/336