The Fanmaster Industrial Wall Exhaust Fans are manufactured in our warehouse with quality parts and design. The Industrial Wall Exhaust Fans provide a simple and economic air extraction system that has been designed and robustly built to suit Australian conditions. The Industrial Wall Exhaust Fan can be fitted in the cavity of a double brick wall to bring the air outlet flush with the outside wall and allow for better airflow and circulation. Fixed louvers are also available and sold separately. Intrinsically safe models available on sizes 400mm up.