Price For: Each Insulation Type: Flexible Item: Pipe Insulation Material: EPDM Color: Black Standards: ASTM E84, UV Resistant, ASTM E96, D635, C692 Non Corrosive, ASTM C534, Flexibility Temp. Range: -297 Degrees to 300 Degrees F For Iron Pipe Size: 4" Wall Thickness: 1/2" Approx. R Value: 2.04 Length: 6 ft. Country of Origin (subject to change): United States