3-1/2" Mineral Wool Elbow Pipe Fitting Insulation, 1-1/2" Wall

Pipe Fitting Insulation, Insulation Material Mineral Wool, Installation Style Unslit, Inside Diameter 3 1/2 in, Wall Thickness 1 1/2 in, Form 90 Degrees Elbow, Minimum Operating Temperature 0 Degrees F, Maximum Operating Temperature 1,200 Degrees F, R Value 6.5, Color Tan, For Pipe Size 3 in, Flame Spread Index 25, Foam Cell Type Open, Plenum Rating Plenum Rated, Flexibility Rigid, For Tube Outside Diameter 3 1/2 in