Acoustic Screen, Width 4 1/2 ft, Length 8 ft, Thickness 1 in, Color Gray, Noise Reduction Coefficient (NRC) 0.7, Material Fiberglass, Hook-and-Loop Closure, Steel Frame , Vinyl Barrier Screen, Temp. Range Facing;180 Degrees F / Fiberglass 1000 Degrees F, To Grease, Mildew, Oil, Coverage Reduces up to 21 dBa, Standards AS8A-84 flame and smoke, Class A fire ratings., Includes Steel tubing frame with detachable platform legs and connector clips