Air Louvers 1900ASG 24x24-BZ Door Louver Fire-Rated Adjustable with Security Grille Mineral Bronze Finish

Air Louvers 1900ASG-24x24-BZ Door Louver Fire-Rated Adjustable with Security Grille Mineral Bronze Finish, The 1900ASG-24x24-BZ Door Louver Is Fire-Rated With a Adjustable Security Grille , Comes Standard For a 1 3/4" Thick Door. 

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