' Acoustical Ceiling Tile, Series Fissured, Width 24 In., Length 48 In., Thickness 5/8 In., Color White, Edge Type Square Lay-In, Noise Reduction Coefficient 0.55, Ceiling Attenuation Class 30, Light Reflectance 0.81, Medium Fissured Texture, Material Mineral Fiber, Coverage 96 sq. ft., Resistant To Class A Fire Retardant, Temp. Range 32 Degrees to 120 Degrees F, Package Quantity 12 '