11 Underwater pool and spa lights and lighting fixtures; interior lights for swimming pools; above-ground pool lights; recessed lighting apparatus for swimming pool and spa lighting; landscape lighting; landscape lighting installations and fixtures; fiber optic lighting fixtures; light sources for fiber optic cables, namely, light bulbs; water filters for swimming pools, spas, hot tubs, ponds, and water parks; filtration units comprised of a filter and module for use with swimming pools and spas; pool and spa cartridge water filters; replacement filter cartridges for swimming pools and spas; filter laterals with porous body for replacement cartridges and upgrade kits for use with swimming pools and spas; in-line filters for use with swimming pools and spas; aquarium and pond filters and filtration apparatus; swimming pool water cleaning and filtering units; sand filters for use with swimming pools, water parks, aquariums, and industrial water treatment applications; diatomaceous earth water filters for use with swimming pools and spas; purification installations for sewage; automatic and front-access skimmers for use in removing foreign particles from swimming pool water; inlet, outlet, and directional fittings for use with swimming pools and spas; drain grates for use with swimming pools and spas; ultraviolet sterilizers for ponds and aquaculture; above-ground swimming pool skimmers; side-wall pool skimmers; ozone water purification unit for use in the purification and sanitizing of water in swimming pools, spas, fountains, agriculture systems, aquaculture, cooling towers, drinking water systems, theme park displays and aquariums; automatic chlorine generators for swimming pools, spas and water parks; heat pumps to heat water in swimming pools and spas; gas heaters and boilers for pools, spas, theme parks, and water parks; pool and spa water heaters and pool and spa water heating systems; valves for use with swimming pools, spas, hot tubs, ponds, and water parks; water flow control valves being parts of plumbing, heating, and cooling installations for use in industries and applications where control of high volume flow of water is needed other than machine parts; ornamental and decorative water fountains; laminar water jet with deck box for use with pools, spas, ponds, and water fountains; automatic lawn watering installations; automatic watering installations for agricultural purposes; plumbing fittings, namely, clamping assemblies comprised of rings, clamps, knobs and thread connectors used for spa and pool filtration tanks; drain covers, frames, and grates for pools, spas, ponds, and water parks; filters, heaters, and air blowers, sold in combination, for use in heated pool spas; water return fittings, namely, plumbing drains; apparatus and dripper irrigation system for water treatment which is comprised of filters, regulators, heaters, and pumps, sold in combination for use on swimming pools, waterparks, aquariums, zoos containing water areas and aquaculture; filters for use with natural and man-made ponds, lakes, rivers, streams, waterfalls, water fountains, water gardens, and other water features; filters for use with fish hatcheries, hydroponics, and aquariums; filters for use in aquaculture; filters for use in aeration equipment, namely, filters for plumbing aerators; filters for use in irrigation systems; manually-operated valves made of metal for use in irrigation systems; marine sewage disposal systems; solar hot water heating units; metal equipment and accessories for swimming pools, namely, drains, strainers for drains, main drains, scum gutter drains, and skimmers; metal plumbing fittings for swimming pools, namely, vacuum fittings, inlet fittings, fill spouts; heaters for use in swimming pool water circulation systems; heaters and pumps sold in combination for use in swimming pool water circulation systems; water treatment equipment, namely, hydraulically operated chlorine/bromine dispensers for use in swimming pools and chlorine/bromine dispensers for use in swimming pools; plumbing fittings, namely, traps for swimming pools; traps for cleaning swimming pools, namely, water filters; electrolytic chlorinators comprising a power supply, electrolytic cell and flow and salinity sensor for swimming pools and spas; swimming pool chlorinating units, namely, chlorine dispensers, metered floating chlorine dispensers, floating chlorine dispensers; skimmer weirs for swimming pool water delivery systems