Commercial Grade, Type B Liquidtight Flexible PVC Conduit, 1 Inch Conduit Size, Approved for Outdoor and Direct Burial in the US, UL Temperature Ratings - 80 Degrees C Dry, 60 Degree C Wet, 70 Degree C Oil, Oil Resistant, Voltage Rating 600V, Gray LTC100GY L.T. NON-MET CONDUIT