Insulated Pipe Jacket Cover Type Flange Jacket for Straight Sections For Fitting Type Tee Wye Jacket Material Silicone Insulation Material Mineral Wool Maximum Ambient Temperature 200 Degrees F Cover Width 12 in Cover Length 36 in Thickness 3 in Color Gray Fastening System Lacing Anchor and Wire For Minimum Circumference 25 in For Maximum Circumference 31 in R Value 0.48 Operating Voltage 120V For Valve Type Manifold Standards OSHA Safe-Touch Cable Gauge 18 AWG