Fire Barrier One-Hour W/4 Cylinder Deep , Each

Details:

Fire barrier one-hour w/4 cylinder deep^ one-hour fire barrier, 4 cylinder deep, dimensions: 52 x 1.75 X 75 inches, material: steel, mount type: wall/floor, mount hole: 6, mount hole size: 0.0406 In, with nfpa 55, cga, for applications where both fuels a