11 Filtration machines for water and waste water, namely, deep bed, media filtration, and membrane filtration and ion-exchange filtration machines; Machines that evaporate and reduce water for the collection of residue; Electric generators for producing sodium hypochlorite by electrolysis for use in water treatment and purification applications; Chlorine dioxide generators and chlorine generators for use in water treatment and purification applications; Ozone generators; Water, wastewater, storm water, sewerage, effluent, waste and chemical treatment plants; Water purification units, water conditioning units, effluent treatment units, replacement and structural parts for the aforesaid goods; Water treatment equipment, namely, ultraviolet sterilization units for disinfecting water for use in water, wastewater, storm water, sewerage, effluent, waste and chemical treatment systems; Water treatment equipment, namely ultraviolet sterilization units for disinfecting water for use in water, wastewater, storm water, sewerage, effluent, waste and chemical treatment systems, such units comprised of ultraviolet lamps, electronic sensors to handle flow rates, ultraviolet monitors, light transmittance monitors, temperature sensors, automated wiper and programmable logic controller interlink software; Ultraviolet disinfection unit for controlling microbial contamination in head space air in storage tanks or carboys; Waste and wastewater filter parts, namely plates for supporting fluid treatment media; Modular filter bottom components, namely, underdrain blocks for supporting and backwashing granular media in wastewater treatment filters for municipal, commercial and industrial use; Degassed biological filters; Generator units for producing sodium hypochlorite by electrolysis for use in water treatment and purification applications; Equipment, apparatus and appliances for water purification, water treatment and pollution control namely gas feeding, biocidal gas feeding and regulating units and evaporators; Air stripping units for water purification for use in removing organic compounds in water; Units for treatment and purification of water and wastewater for marine vessels, namely navy vessels, work boats, freighters, cruise ships, pleasure boats and off-shore oil rigs; Electrocatalytic units for treatment of water, wastewater, storm water, sewerage, effluent and waste; Treatment plant, namely, solid separation units including gravity settling tanks, clarifiers, thickeners, dissolved air floatation units and flocculating clarifiers; apparatus, instruments, installation and plant for disinfection of potable water and waste water, namely, sodium hypochiorite generators, programmable logic controller-based controls for use with supervisory control, alarm, and data acquisition and telemetry systems, customized computer and command units to provide full communication and data logging capabilities; Water filtration apparatus, instruments, installations and plants namely, osmosis units, nanofiltration, microfiltration, and reverse osmosis units, pre-treatment/filtration units, arsenic removal units, extended aeration units, precipitation units, wastewater evaporative units, complete wastewater filtration units, bioreactor units, and separation units; Water purification units, namely, reverse osmosis filtration units designed to meet tap, brackish or sea water requirements; Industrial wastewater evaporators; Gas, steam or electric heat evaporating units for the disposal/recycling of water-based wastes, comprised of sensor unit optional condensers, auto drain and auto-oil-overflow, foam control, alarm history memory, context-sensitive Help screens, remote telemonitoring unit, automatic oil-management unit, PH control unit, antifoam injection unit and diagnostic modems; Industrial wastewater recycling apparatus, instruments, installations and plant, namely, a steam-heated vacuum evaporator which draws in waste-contaminated liquid and returns clean water to the process; Apparatus, instruments, installations and plant for reducing arsenic levels in drinking water systems, industrial wastewater, and residential and commercial applications, namely a filtration unit based on a granular ferric oxide adsorption technology that fixes the contaminant onto a solid media; Filtration plants, comprised of air and water backwash features, for water and wastewater plants, filter underdrains, air distribution systems, troughs, weirs, media, anthracite, and garnet; Gravity or pressure filtration units, bio-filtration units, bio-reactor units, biodenitrification filters, ammonia and biological oxygen demand removal filters, ion exchange units and arsenic removal units; Industrial, municipal, fresh water, sea water, potable water and wastewater purification apparatus, instruments, installations and plant namely, chlorine gas feed units, ultra violet light units, chloride dioxide units, polymer feed units and on-site hypochlorite generation units, reverse osmosis units, nanofiltration units, ion exchange units, pre- treatment/filtration units, arsenic removal units, aeration units, precipitation units, wastewater evaporator units, bioreactor units and separation units; Dry polymer preparation system, namely, mixers and tanks for diluting and aging large volumes of polymer solution from dry polymer concentrate for use in water and wastewater treatment units; Disinfection apparatus, instruments, installations and plant, namely, chlorination and dechlorination units, ultraviolet disinfection units and chemical feed units; Water and wastewater treatment apparatus, instruments, installations and plant, namely, emission control units, evaporators, hazardous waste units, heavy metals removal units, waste recycling/reuse units, biological nutrient removal units, denitrification units, diffusers, filters, filter media, biological filters, gravity filters, sand filters, ion exchange units, reverse osmosis units, ultra filtration units, desalination units; Sewage treatment plants; Sewage disposal plants; Water softening units; Hydrants; Faucets; Plumbing fittings namely, stop cocks; Plumbing fittings, namely valves; Chemical generators installed onsite for generating bleach for disinfection of municipal water and wastewater facilities, irrigation systems and swimming pools