WhisperFresh™ Select Fresh Air Supply Fan, 50-150 CFM

WhisperFresh™ Select is the ultimate supply air fan. Built-in Pick-A-Flow™ airflow selector switch allows you to select your required airflow (50-150 CFM). Features an ECM Motor with SmartFlow® technology for CFM output to achieve precision whole-house supply ventilation. WhisperFresh™ Select can be used to comply with the latest codes and standards including ASHRAE 62.2, LEED and CA Title 24.