Faucets; Commercial refrigerators and freezers and replacement parts and fittings therefor; Flexible pipes being parts of sink plumbing installations; Ice making machines; Pipes being parts of sanitary facilities; Plumbing fittings, namely, couplers; Plumbing fittings, namely, valves; Plumbing fixtures, namely, sink sprayers; Water filtration and purification units and replacement cartridges and filters therefor; Water treatment equipment, namely, water filtration units and reverse osmosis units