Broan / Nutone Blower Wheel Part # 99020276
HD50-B, HD50NT HD50RDF, HD80-B, HD80NT, HD80RDF HD50L-D, HD50LNT, HD80L-D, HD80LNT - 710-D, 712-D, 714-D, 720-D, 721-D, 722-D - 680-A, 2680F-A, 680FL-A, FL2680F-A N680-A - 80RDF, 110RDF, 676-D, 2676F-A 684-D, 2684F-A