Fittings, not of metal, for pipes; Junctions, not of metal, for pipes; Non-metal elbows for pipes; Non-metal pipe couplings and joints; Plastic tubes for for industrial, laboratory, pharmaceutical and medical applications to carry ultrapure chemicals and ultrapure water

rigid plastic pipes, fittings and junctions for ultrapure water and chemical transfer

Junctions not of metal for perfluoroalkoxy pipes for industrial applications; non-metal elbows for pipes; non-metal pipe couplings and joints; non-metal rigid pipe; non-metal tubing and tubing couplings for joining and terminating pipes; pipe fittings comprised primarily of perfluoroalkoxy; rigid pipes of perfluoroalkoxy for industrial, laboratory and pharmaceutical applications; rigid pipes, not of metal