Pipe Insulation, Insulation Material Melamine, Installation Style Slit with Adhesive, Inside Diameter 1 1/8 in, Wall Thickness 1 in, Overall Length 4 ft, Minimum Operating Temperature -40 Degrees F, Maximum Operating Temperature 350 Degrees F, Facing Material PVC Jacket Reinforced with PET Fiber, Color White, R Value 6.18, Form Tube, For Copper Tube Size Not Applicable, For Pipe Size 3/4 in, Flame Spread Index 25, Smoke Developed Index 50, Foam Cell Type Open, Plenum Rating Plenum Rated