Broan 636 ROOF CAP BLACK 3 IN. OR 4 IN. ROUND DUCT (1 PER CASE)
Built-in backdraft damper and bird screen ; Steel baked black enamel finish ; NOTE: DO NOT INSTALL THE ROOFCAP ON A FLAT ROOF
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Built-in backdraft damper and bird screen ; Steel baked black enamel finish ; NOTE: DO NOT INSTALL THE ROOFCAP ON A FLAT ROOF