Pipe Insulation, Insulation Material Fiberglass, Installation Style Slit with Adhesive and Flap, Inside Diameter 3 5/32 in, Wall Thickness 1 1/2 in, Overall Length 3 ft, Minimum Operating Temperature 0 Degrees F, Maximum Operating Temperature 1, 000 Degrees F, Facing Material ASJ Facing, Color Tan, R Value 10.6, Form Tube, For Copper Tube Size 3 1/8 in, Flame Spread Index 25, Smoke Developed Index 50, Foam Cell Type Not Applicable, Plenum Rating Plenum Rated, Flexibility Not Applicable. This item has been restricted from sale in the following state (s): []