Acoustic Screen, Width 4 ft, Length 8 ft, Thickness 1 in, Color Gray, Noise Reduction Coefficient (NRC) 0.75, Material Acoustical Curtain Laminated With Reinforced Mass Loaded Vinyl Barrier, Snap Lock Tubular Steel Frame, Temp. Range -10 Degrees to 120 Degrees F, To Fuels, Grease, Lubricants, Moisture, Solvents, Standards ASTM E84 Class I Fire Rating, Sound Transmission Class-25, Includes Snap Lock Tubular Steel Frame WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)