11 Apparatus for water supply and sanitary purposes, namely, toilets, cisterns and bidets; shower systems and installations consisting primarily of showers, shower bases, shower recesses, shower screens, shower doors, shower frames, shower walls, shower modules, moulded shower recesses, walls and bases; baths, spa baths and bath installations and cubicles, namely, bath tubs, spa bath tubs, bath enclosures, bathtub surrounds and bath cubicles; bathroom sinks in the nature of vanity basins; shower tubs, bath tubs and hot tubs; sinks; shower system accessories, namely, plumbing fittings, namely, drains, cocks; tapware, namely, taps in the nature of faucets; shower heads; plumbing and builders' hardware, namely, water taps in the nature of faucets; metal taps, namely, faucets; water pipes in this class, namely, flexible pipes being parts of basin, bath, shower and sink plumbing installations; water closets and water flushing installations, namely, flush levers and flushometer valves; lighting apparatus including outdoor lighting and garden lighting and accessories therefor, namely, outdoor lighting fixtures, garden lighting fixtures and light bulbs; heaters and heating apparatus, outdoor heaters, and accessories therefor, namely, electric patio heaters, electric space heaters, electric radiant heaters and indoor gas water heaters; apparatus for irrigation, namely, sprinklers, sprinkler heads, flexible pipes being parts of irrigation installations, and structural parts and component fittings for irrigation sprinklers; installations and apparatus for heating, lighting, ventilating, steam generating, drying, refrigerating, and cooking including with gas or liquefied gas, namely, cooktops, ceramic, coal, electric, gas, oil cooking, oil, slow burning, solid fuel burning and wood burning stoves and baking, coffee roasting, convection, domestic cooking, folding portable, induction, and microwave ovens; gas and oil burners; electrochemical gas generators; regulating and safety accessories, namely, air filters for air conditioning units, air filters for domestic use, air filters for industrial installations, air filters for air extractor hoods, pressure regulators for gas and water installations, mantles in the nature of a device in gas and oil lamps consisting of a sheath for use in illuminating the flame in a gas and oil lamps, plumbing fittings, namely, valves, plumbing fittings in the nature of stop valves, taps for regulating gas flow; gas plumbing supplies, namely, direct vents for gas appliances