Flange and Valve Insulation, Cover Type Valve Jacket, For Fitting Type Valve, Facing 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 2 in, Color Gray, Fastening System Hook and Wire, For Minimum Circumference 8 in, For Maximum Circumference 10 in, R Value 0.48, For Valve Type Universal, Standards OSHA, Compatible Fastener CR, CRP, LHW, SSLW304, Market Industrial.