Insulated Fitting Cover Tee Fits Max O.D. 5 1/8 in Insulation Material Fiberglass Jacket Material PVC Temp Range -32 Degrees to 150 Degrees F Color White Approx R Value 3.5 Includes Insert Standards ASTM D1784 ASTM D257 ASTM D3679 ASTM D638 ASTM D790 ASTM D792 ASTM E136 ASTM E84 BOCA ICBO SBCCI USDA