AEROCEL Self-Seal Insulation,Rubber,4-1/2&x 1/2&

Self-Seal Insulation; Insulation Material EPDM; Installation Style Slit with Adhesive and Flap; Inside Diameter 4 1/2 in; Wall Thickness 1/2 in; Overall Length 6 ft; Minimum Operating Temperature -297 Degrees F; Maximum Operating Temperature 257 Degrees F; Facing Material Unfaced; Color Black; R Value 3; Form Tube; For Pipe Size 4 1/2 in; Flame Spread Index 25; Smoke Developed Index 50; Foam Cell Type Closed; Plenum Rating Plenum Rated; Flexibility Flexible; For Tube Outside Diameter 4 1/2 in