17 Flexible pipes, tubes, hoses and fittings therefor, including valves of rubber, and fittings for rigid pipes, all the aforementioned goods being non-metallic; non-metal elbows for pipes; watering hose; flexible hoses, not of metal; rubber tubes and pipes; hose pipes made of rubber; insulating jackets for pipes; non-metallic seals for pipes; junctions, not of metal, for pipes; non-metallic flexible tubes for irrigation; porous irrigation hoses; casings of rubber for tubes; flexible hose pipes made of plastic; non-metallic couplings for tubes; non-metallic adjustable flexible hoses; pipe muffs, not of metal; non-metallic pipe connections for rigid water pipes; fittings, not of metal, for flexible pipes; non metallic hose fittings; fittings, not of metal, for rigid pipes; plastic hoses for agricultural use; flexible pipes of rubber reinforced with synthetic fabric; non-metal pipe couplings and joints; non-metallic microporous flexible tubes for use in horticulture; non-metallic microporous hose for use in agriculture; non-metallic couplings for flexible pipes; pipe fittings comprised primarily of plastic; non-metallic sealing rings for hose fittings; pipe support sleeves of rubber; identification sleeves of rubber for tubes; non metallic coupling sleeves for tubes; identification sleeves of plastics for flexible tubes