Pipe Fitting Insulation, 90 Degrees Elbow, Wall Thickness - Insulation 1/2 in, Insulation Body Material NBR/PVC, Insulation Color Black, Fits Tube Size 2 5/8 in, Insulation Temp. Range -297 Degrees F to 220 Degrees F, Insulation Approx. R Value 4.8, Insulation Nominal I. D. 2 5/8 in, For Tube I. D. 2 1/2 in, Length 1 3/64 in, Width 3 5/8 in, For Use On Ducts and Tanks, Piping. This item has been restricted from sale in the following state (s): []