Plumbing fitting, namely, vacuum release safety valve for flow shutoff in pools and spas; Water treatment equipment, namely, water filtration units and reverse osmosis units; Water filtration and purification units and replacement cartridges and filters therefor; Filters, heaters and pumps sold in combination for use in swimming pools; Plumbing fittings, namely, drains; Plumbing fittings, namely, faucet filters; Cocks for pipes and pipelines being parts of sanitary installations; Water filter...