HTS 6903: Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths
3 codes. Pick one to see its duty from every country of origin. From the USITC schedule, Revision 20 (2026).