Liquid-Tight Flex Metal Conduit Trade Size 3/8 in Bend Radius 2 in Color Gray Approval Rating UL Steel Jacket Material Flame Retardant PVC Max Operating Temp 176 Degrees F Min Operating Temp -30 Degrees F Nominal Length 100 ft Finish Galvanized Flammability Rating UL 360 Flexibility Flexible Indoor/Outdoor Usage Outdoor Only Inside Diameter 0.48 in Jacket Color Gray Jacketed Yes Liquid Tight Conduit Application Metallic Outside Diameter 0.69 in