Flexible Conduit, 1/2 In Trade Size, 0.910 to 0.930 In Conduit Outer Diameter, 0.620 to 0.640 In Conduit Inner Diameter, CNP Style, 100 FT Length, Orange/Gray, CNP Model/Series, 3 In Bend Radius, 0.29 In Wall Thickness, -4 °F Operating Temperature, +140 °F Operating Temperature, 21 LB/100 FT