Valve Insulation, Cover Type Insulation Jacket, For Fitting Type Strainers, Tee, Valve, Wye, Jacket Material Silicone Coated Fiberglass Cloth, Insulation Material Fiberglass; Mineral Wool, Maximum Ambient Temperature 900 Degrees F, Cover Width 12 in, Cover Length 36 in, Thickness 3 in, Color Gray, Fastening System Hook and Wire, For Minimum Circumference 25 in, For Maximum Circumference 31 in, R Value 0.48, For Valve Type Universal, Standards OSHA, Market Industrial, Reusable Yes