|Item||Door Louver Kits|
|Material||20-Gauge Galvannealed Steel|
|For Use With||1 3/4" Thick Doors|
|Includes||1 Front and 1 Back Panel|
- Designed for 1-3/4"-thick doors. Fire-rated units include a fusible link that locks louver blades in closed positions when temperature reaches 135 F. Stainless steel for indoor and outdoor use.