Aquarium filters; Electric lights for Christmas trees; Filters for air conditioning; Filters for drinking water; Portable electric fans; Portable showers; Portable toilets; Rainwater purification installations; Sustainable onsite water recycling and wastewater treatment systems; Swimming pool water cleaning and filtering units; Ventilating exhaust fans for household use; Ventilating exhaust fans for gymnasiums use; Ventilating exhaust fans for pet houses use; Water filtering apparatus; Water filtering units for domestic, commercial, or industrial use; Water filters; Water filtration and purification units and replacement cartridges and filters therefor
Environmental Control Apparatus