The Broan S1101122 ventilation fan service recessed blower assembly delivers reliable airflow to help maintain a healthier and more comfortable indoor environment. Designed as a replacement blower unit for compatible recessed ventilation systems, it operates by drawing humid or stale air through the housing and expelling it efficiently to reduce moisture buildup and everyday odors. Wi... https://www.hnkparts.com/broan-s1101122-service-recessed-blower-assembly-70-cfm-37209