Faucets; Showers; Air purifiers; Apparatus for cooking, namely, cooktops; Faucet aerators; Mixer faucets for water pipes; Plumbing fittings, namely, sink strainers; Plumbing fixtures, namely, shower mixers; Shower enclosures; Shower heads; Showerheads and components thereof; Sink drainer system comprised of a drain tray, sink mount, kick stand and rod; Tap water faucets; Water filters; Water filtration and purification units and replacement cartridges and filters therefor; Water purification and filtration apparatus