1-3/8" x 43/64" Elastomeric Elbow Pipe Fitting Insulation, 1" Wall, K-FLEX USA, Mfr# 801-LRE-100138

Pipe Fitting Insulation, Insulation Material Buna-N Rubber/PVC, Installation Style Unslit, Inside Diameter 1 3/8 in, Wall Thickness 1 in, Form 90 Degrees Elbow, Minimum Operating Temperature -297 Degrees F, Maximum Operating Temperature 220 Degrees F, R Value 7.2, Color Black, For Pipe Size 1 in, Flame Spread Index 25, Foam Cell Type Closed, Plenum Rating Plenum Rated, Flexibility Flexible, For Tube Outside Diameter 1 3/8 in, Resistance Properties Antimicrobial, Flame/Fire Retardant