Broan-NuTone 472 Transition Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest products in the industry. Broan-NuTone 472 Transition Features: Fan Accessories, Ducts, Transitions, Elbows 10 to 8 Reducer-damper, use with Model 504 (includes...
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