Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 17 Tubes, pipes and hoses, and fittings therefor, of plastics 39 17 21 Tubes, pipes and hoses, rigid, of polymers of ethylene Commodity Code Description 39 17 21 00 Tubes, pipes and hoses, rigid, of polymers of ethylene
