Acoustic Foam, 0.85 NRC, Polyurethane Foam, 4 1/2 ft W, 27 in L, 3 in Thick, Gray, 4 PK

Acoustic Foam, Width 54 in, Length 27 in, Thickness 3 in, Color Gray, Noise Reduction Coefficient (NRC) 0.85, Material Polyurethane Foam, Temp. Range -45 Degrees to 250 Degrees F, Resistant To Alkali, Mild Acids, Most Oils, Coverage 10.125 sq ft, Standards Flammability UL-94 (Self Extinguishing), Package Quantity 4