17 Clack valves of rubber for use in irrigation systems; valves of synthetic rubber; flexible pipes, tubes, hoses and fittings therefor including valves, and fittings being couplings and elbows for rigid pipes, all non-metallic; flanged elbow hose not of metal; non-metal elbows for pipes; non-metal elbow joints for flexible pipes; watering hose; flexible hoses, not of metal; rubber tubes and pipes; pre-formed hose, nor of metal, for gardening irrigation; insulating jackets for pipes; hose pipes made of rubber; garden hoses; non-metallic flexible tubes for use in irrigation; non-metallic hose bandages; flexible hoses composed of plastics; flexible hose pipes of rubber; non-metal seals for irrigation pipes; interior pipe linings made of non-metal fabric and sealant for repair of irrigation pipes; junctions, not of metal, for pipes; non-metallic couplings for flexible pipes; tube junctions, not of metal; non-metal flexible tubes for irrigation; non-metal, flexible pipe extensions; non-metallic hoses adapted for irrigation purposes; non-metal pipe gaskets; non-metallic pipe spacers; porous irrigation hoses; casings of rubber for tubes; hose pipes made of plastic; non-metallic couplings for tubes; non-metallic adjustable hoses; watertight rings for plumbing pipes; hydraulic hoses of plastic; hydraulic hoses of rubber; pipe muffs, not of metal; rings of rubber for use as pipe connection seals being part of rigid water pipes; non-metal fittings for flexible pipes; non-metallic flexible hoses made of rubber for industrial use; non-metal sealing connectors for non-metal hoses; pipe fittings, namely, junctions, not of metal, being parts of rigid water pipes; seed hoses, non-metallic; fittings, not of metal, for flexible pipes; non-metal hose fittings; fittings, not of metal, for rigid pipes; water hoses for irrigation; water hoses of rubber; water hoses for household irrigation use; water hoses of plastic; plastic hoses for agricultural use; water hoses for garden use; rubber hoses for agricultural use; non-metallic couplings for rigid pipes; flexible pipes of rubber reinforced with synthetic fabric; non-metal pipe couplings and joints; articles of rubber for use in sealing pipe connection tubes; non-metallic microporous tubes for use in horticulture; non-metallic microporous hose for use in agriculture; rubber hose for the splicing of cables; flexible pipes of silicone rubber reinforced with fabric; flexible pipes, tubes, hoses, and fittings therefor, including valves, non-metallic; non-metallic couplings for flexible pipes; rubber sealing rings for non-metal hose fittings; pipe rubber support sleeves for protecting parts of machines; identification sleeves of rubber for tubes; non-metallic water hoses for garden use; identification sleeves of plastics for tubes; rubber stoppers for doors; flexible plumbing pipes of plastic; flexible plastic conduits for plumbing use