Baths, bathtubs, whirlpool baths and bath installations; Commercial refrigerators and freezers and replacement parts and fittings therefor; Coolant recovery systems, comprising reservoirs, pumps, filters, cleaners; Filters, heaters and pumps sold in combination for use in swimming pools or hot tubs; Filters, heaters and pumps sold in combination for use in swimming pools; Fitted liners for hot tubs or spas; Gas water heater for bathtub consisting of circulation pump with thermostat to fill, re-heat water and keep water warm; Hydromassage bath apparatus; Refrigerating appliances and installations; Water filtration and purification units and replacement cartridges and filters therefor