This is a stamped steel louver system made for a 12 inch by 4 inch Grille. The dimensions of this louver are approximately 3 7/8 inches wide by 9 1/2 inches long. The louvers are activated by an Allen wrench or a screw driver. These louvers are durable for decades of service.
Tips & Tricks:
Available in a variety of different sizes. Antique Hardware Tips