The Fanmaster Industrial Wall Exhaust Louvered Fans are thorough wall exhaust fans suitable for industrial, commercial or domestic applications. The Industrial Wall Exhaust Fan can be used to extract heat, air or dust, or to ventilate a factory or garage. The Industrial Wall Exhaust Louvered Fan is designed to extract large volumes of air at relative low noise. The 240V motor makes the fan easy to install and self closing louvers prevent reverse airflow from occurring. The Industrial Wall Exhaust Fan comes ready to be installed and hard-wired in.