Waste water purification units; Water purification and filtration apparatus; Water purification installations; Ozone sanitizers for air and water; Water purifiers; Water purifying units, for potable water for domestic; Water purifying units, for potable water for industrial use; Water purifying units, for potable water for commercial use; Water sterilizers; Water treatment equipment, namely, chemical sterilization units; Air purification units; Air purifying apparatus and machines; Air purifying units for commercial use; Industrial-water purifying apparatus; Ozone generators that kill mold and mildew; Sewage purification apparatus; Sewage purification installations; Sustainable onsite water recycling and wastewater treatment systems; Swimming pool water cleaning and filtering units
Environmental Control Apparatus