4" x 4" L Fiberglass 90 Deg Elbow Pipe Jacket 3" Wall, Unitherm, Mfr#: IE0490

Insulated Pipe Jacket, Cover Type Elbow Jacket, For Fitting Type 90 Degrees Elbow, Jacket Material Silicone Coated Fiberglass Cloth, Insulation Material Fiberglass; Mineral Wool, Maximum Ambient Temperature 900 Degrees F, Cover Width 4 in, Cover Length 4 in, Thickness 3 in, Color Gray, Fastening System Quick Release Fabric Flap and Wiretwists, For Minimum Circumference 6 in, For Maximum Circumference 13 in, R Value 0.48, For Valve Type Universal, Standards OSHA, Market Industrial