Broan® 506 Chain-Operated Direct Discharge Through Wall Utility Ventilation Fan, 470 cfm, 10-3/8 in Dia Duct, 120 VAC, 1.7 A, Domestic - Discontinued | First Supply
BROAN 506 Wall Fans | WESCO
Broan S99080596 Motor for Models 502, 504, 506, 508, 510 | eBay