Explanatory notes
… pipes, conduits, guttering and pipe fittings. This heading applies to non-refractory piping, etc., designed, as a … or for the distribution of fluids. They may be of any shape or section (straight, curved, branched, of constant or … or branching (collars, flanges, elbows, T-pieces, clean out traps, etc.). The heading does not cover : (a) Tubular …