Pipe Fitting Insulation, Tee, Wall Thickness - Insulation 1 in, Insulation Body Material NBR/PVC, Insulation Color Black, Fits Tube Size 1 5/8 in, Fits Pipe Size - Pipe Insulation 1 1/4 in, Insulation Temp. Range -297 Degrees F to 220 Degrees F, Insulation Approx. R Value 7.1, Insulation Nominal I. D. 1 5/8 in, For Tube I. D. 1 1/2 in, Length 7/8 in, Width 3 5/8 in, For Use On Ducts and Tanks, Piping