Pipe Insulation Insulation Material Buna-N Rubber/PVC Installation Style Unslit Inside Diameter 4 1/8 in Wall Thickness 1/2 in Overall Length 6 ft Minimum Operating Temperature -297 Degrees F Maximum Operating Temperature 220 Degrees F Facing Material Unfaced Color Black R Value 2.8 Form Tube For Copper Tube Size 4 1/8 in For Pipe Size 3 1/2 in Flame Spread Index 34 Smoke Developed Index 59 Foam Cell Type Closed Plenum Rating Plenum Rated Flexibility FlexibleMRO1WZD8
| # | Attribute | Value |
|---|---|---|
| 1. | brand | K-FLEX USA |

