Plumbing fixtures, namely, shower sprayers; Sewage purification installations; Showerheads and components thereof; Water filtration and purification units and replacement cartridges and filters therefor; Water purification installations; Water softening apparatus and installations; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water; Water treatment equipment, namely, reverse osmosis ...