HS Heading 3917 — Duty Rates and HS Codes
6-Digit HS Codes
391710 Artificial guts (sausage casings) of hardened protein or of cellulosic materials 391721 Tubes, pipes and hoses, rigid 391722 Of polymers of propylene 391723 Of polymers of vinyl chloride 391729 Of other plastics 391731 Other tubes, pipes and hoses 391732 Other, not reinforced or otherwise combined with other materials, without fittings 391733 Other, not reinforced or otherwise combined with other materials, with fittings 391739 Other 391740 Fittings