Global Industrial Shutter For 18" Venturi Mounted Exhaust Fan, 21-1/8"W

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE GUARD MOUNTED DIRECT DRIVE EXHAUST FANS SHUTTER FOR 18" GUARD MOUNT EXHAUST FAN FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER...

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.

THE SHUTTER FEATURES GRAVITY CLOSE LOUVERS TO DIRECT AIRFLOW. IT IS MADE WITH ALUMINUM LOUVERS AND STEEL FRAME. WEATHER STRIPPING PROVIDES TIGHTER SEAL.