1900A Fire-Rated Adjustable Z-Blade Fusible Link Louver Size:12" x 12" post offices and pharmacies

post offices and pharmacies

affordable exit device is offered in multiple functions

Cast brass brackets with solid

adjusting wrench

for use with exit devices and trim

1900A Fire-Rated Adjustable Z-Blade Fusible Link Louver Size:12" x 12" post offices and pharmacies1900A Fusible link louver for 1 3 4" thick fire doors, 45 90 minute fire rated Adjustable Fusible Link Louvers are recommended for use in rooms where ventilation is needed and at the same time isolating the room whenever fire is present. When exposed to heat at 165 F, the fusible link trips and the spring loaded louver blades shut, to form an airtight fire and smoke seal. 1900A Frame: Mitered and welded corners: screws fastened through prepared frame