Product details:

Pipe Insulation, Insulation Body Material Fiberglass, Type - Pipe Insulation Hinged with Self Sealing Lap, Wall Thickness - Insulation 2 in, Insulation Length 3 ft, Fits Pipe Size - Pipe Insulation 2 1/2 in, Insulation Nominal I.D. 2 29/32 in, Insulation Temp. Range 0 Degrees F to 850 Degrees F, Insulation Approx. R Value 8.7, Insulation Approx. K Value 0.23, Color White, Standards ASTM C1136, ASTM C547 Type 1, ASTM C585, ASTM C795, MEA Compliant, Mil-I-24244C, NRC 1.36FeaturesWall Thickness: 2 inchLength: 3 ft.For Iron Pipe