Plastic pipes; flexible plastic pipes; corrugated plastic pipes; plastic pipes for use in relation to drainage; non-metallic pipe couplings; articles made wholly or principally from rubber, plastics or from substitutes for all the aforesaid materials all for use in horticulture; inlet pipes and pipe systems of plastics or recyclable plastics or substitutes for these materials; drainage inlets; water inlet and outlet connectors; parts and fittings for the aforesaid.

Drain channels and drain courses, not of metal; drain pipes; sewer pipes; drain covers, not of metal; drain gullies, not of metal; drains (other than of metal or plastic); drain traps (valves), not of metal or plastic; drainage installations, not of metal; drainage conduits, not of metal; non-metallic supports for use in horticulture; non-metallic building materials all for use in horticulture and landscaping; non-metallic load bearing supports and structures for use in horticulture and for use in preventing soil from becoming compacted; soil vents (non-metallic); drainage inlets not made of metal; rainwater drainage materials, non metallic small items of hardware; rainwater drainage apparatus of plastics materials; water tanks for rain water recycling systems and water filtration systems; water butts, gutters, guttering and downpipes; pipework, pipes and tubes; rainwater drainage apparatus of plastics materials; non-woven fabrics for land drainage; non-woven fabrics for soil drainage; floor drainage channels made of non-metallic materials; roofing materials; aggregates; foundation material (non-metallic) for use in construction; foundation material (non-metallic) for use in building; paving materials and paving products; parts and fittings for the aforesaid.