Apparatus for [ lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, ] water supply and sanitary purposes, namely, self-standing shower enclosures, shower heads, and hand held shower heads; metal taps being faucets and plumbing fittings therefore, namely, aerators for faucets, faucet filters for sanitary and hygienic apparatus and installations; metal taps being faucets and plumbing fittings therefore, namely, aerators for faucets, faucet filters for industrial use