Chemical products for use in industry, namely, chemicals for the treatment of drinking water, grey water, waste water, process water, recreational water, pool water, water in the food processing industry, in agriculture, aquariums and fish farming; chemical products for use in industry, namely, chemicals for use in water processing of industrial applications; chemical products for use in industry, namely, chemical products for use in cooling towers of industries and in power plants, namely, chemical products for corrosion inhibition, scale inhibition, cleaning and passivation; filter media, namely carbon based filter media, quartz sand and gravel, zeolite, filter marble, plastic filter media, filter granular of volcanic organic and inorganic origin; filtration aids, namely, perlite, diatomaceous earth, fiber, filter aids of volcanic origin in powder form, resins, activated carbon powder, flocculants, coagulants and organic and inorganic sedimentation and precipitation agents for use in water treatment, namely drinking water, grey water, recreational water, pool water, industrial process water, water in cooling towers, fish farming, aquariums, ponds and lakes, reservoirs, agriculture, horticulture and water for food and feed processing; chemicals for industrial use, namely, salts for water treatment, softening and electrolytic processes to be used in conjunction with water treatment in recreational water, grey water, industrial process water and drinking water environments in liquid, granular or powder form; chemical products for use in industry, namely, preparations for cleaning structural parts of water conducting systems, namely, conduits, filters, filter media, heat exchanger, treatment installations and substrates of all kinds; chemical products in liquid, in capsules, in tablet and in powder form for the water treatment, namely, for the treatment of drinking water, grey water, recreational water, pool water, waste water, water in condensers, water in evaporators and cooling water; chemical products in liquid, in capsules, in tablet and in powder form for oxidation of organic contaminants in water; chemical products in liquid, in capsules, in tablet and in powder form for preventing and removing slime in water treatment systems and for deodorizing waste and waste water; deodorant, namely, chemical preparations for deodorizing drinking water, grey water, industrial process water, water in condensers, in evaporators, cooling water, waste water and waste

Algaecides

Electronic hardware and instruments for water treatment applications, dosing devices and dosing dispensers for the addition of water treatment chemicals and filter media, control hardware for measuring water quality and operational parameters and equipment for signaling, storing, transferring, transforming, surveillance, and regulating parameters for water treatment

Construction and installation of water treatment facilities; maintenance of water treatment equipment; repair of water treatment plants and equipment