Duct Wrap, Overall Width 12 in, Overall Length 15 ft, Thickness 2 in, Material Fiberglass, Jacket Material Foil, Insulation Value 6, Insulation Density 2 lb, Product Type Duct Insulation, Color Silver, Maximum Temperature Rating 250 Degrees F, Minimum Temperature Rating 35 Degrees F, Material Thickness 8 in, Series Not Applicable, Inside Diameter 13 in, Standards ASTM C 1136, NFPA 90A, NFPA 90B, Type II