Explanatory notes
… or for connecting a tube to some other apparatus, or for closing the tube aperture. This heading does not however … pipes on walls, clamping or tightening bands or collars (hose clips) used for clamping flexible tubing or hose to … collars, elbows and bends and return bends, reducers, tees, crosses, caps and plugs, lap joint stub‑ends, fittings for …