Acoustic Foam Convoluted Gray 3in PK4

Acoustic Foam Width 54 in Length 27 in Thickness 3 in Color Gray Noise Reduction Coefficient (NRC) 0.85 Material 1.5 lb Density Open Cell 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