11 Toilets; Air-conditioning apparatus; Air-conditioning apparatus and installations; Bath installations; Lighting installations; Plumbing fittings, namely bibbs, cocks, traps, and valves; Plumbing fixtures, namely, shower mixers; Plumbing fixtures, namely, shower sprayers; Plumbing fixtures, namely, sink sprayers; Plumbing fixtures, namely, sink traps; Water conservation plumbing fixtures, namely, faucets, aerators, showerheads, and water saving toilets