Select Prime or Prime HO model as needed.Equipped with a single-phase AC motor with integrated 3-speed switch, these fans provide high airflow with efficient operation.
The powerful EC motor delivers up to 756 CFM..Equipped with corrosion-resistant housing, 0-10V speed control, and carries an IPX4 rating for humid environments.
. Available in multiple sizes.This back draught shutter features spring-loaded aluminum flaps within a galvanized sheet steel housing and a rubber seal.