Air Louvers 1900A Fire-Rated Door Louver with Fusible Link Adjustable Z-Blade
Louver with Fusible Link activated at 165 Degrees F is ideal for use in steel and composite fire doors up to 1-1/2 hour rating. The self-attaching frame style is ideal for installation in existing door cutouts.
Air Louvers 1900A Fire-Rated Door Louver with Fusible Link Adjustable Z-Blade