Flexible plastic pipe, not of metal; corrugated plastic tubing and fittings therefor, namely, flexible plastic and silicone tubing used for transport of liquids and biologicals for use in the field of drainage, storm water, and sewage; polyethylene pipe; fittings and related parts to service the polyethylene pipe, namely, lateral tap tee fitting connections being non-metal hose fittings and non-metal flexible pipe fittings and connections to manholes

Non-metallic conduit, tubing, and pipe, namely, smooth wall plastic pipe for drainage applications; corrugated pipe, namely, perforated and non-perforated plastic pipe for drainage applications; corrugated plastic drainage tubing and fittings therefor; non-metallic chambers for dispersing or collecting liquids within soil and granular materials in connection with sewage and storm water systems namely, non-metal in-ground storm water run-off basins; non-metal storm water treatment units for the purposes of storing storm water comprised primarily of non-metal in-ground storm water run-off basin chambers, pipes, and fittings and couplings therefor; risers, baffles, baffle plates, and weir plates; rigid non-metal corrugated pipes and conduits for drainage and sewage purposes and fittings and couplings therefor; non-metal drainage structures, namely, removable catch basin inserts in the nature of storm water management devices in the nature of non-metal catchment basins and non-metal detention basins in the nature of cisterns; non-metallic construction materials, namely, surface drain basins and grates; non-metal drainage structures, namely, catch basin inserts; non-metal pipe couplings; non-metal pipe couplers for use with plastic pipe; plastic drainage pipes for commercial and residential use along roadways; non-metal fittings and couplings for plastic pipe; plastic corrugated pipe and tubing with smooth interior using an integral gasket and bell coupler for draining systems, storm sewers, and sanitary sewers; flexible non-metal corrugated pipes for drainage and sewage purposes and fittings couplings therefor; polyethylene drainage and irrigation pipe; plastic pipes, tubing, and conduits for drainage purposes, and non-metal couplings therefor and fittings therefor, namely, wyes, tees, elbows, bends, plugs, adapters, and reducers, excluding rubber and polymer hoses for agricultural use; plastic drainage and water management products, namely, smooth walled and corrugated plastic flexible pipe and flexible tubing, fittings, namely, snap couplers, split band couplers, bell-bell couplers, reducers, bends, tees, wyes, and elbows; non-metal sump wells for drainage; non-metal distribution boxes for drainage; water pipe valves, not of metal; culverts, namely, non-metal drain pipes; non-metallic conduit, tubing, and pipe, more particularly corrugated plastic pipe with smooth inner wall for drainage applications; plastic corrugated pipe tubing with smooth interior using an integral bell coupler for drainage systems, storm sewers, and sanitary sewers; plastic pipes for sewer, drainage, and low pressure irrigation applications