Installations for water purification and water filtration; water and wastewater purification units; water and wastewater filtering units; water and wastewater purification and filtration apparatus; water and wastewater treatment and purification equipment, namely, photoelectrocatalytic oxidation devices that use ultraviolet light or sunlight, an applied voltage, and a photocatalyst to destroy harmful pathogens and break down various chemicals in water and wastewater; electrodes sold as an integral component of water purification devices, namely, photoelectrocatalytic oxidation devices that use ultraviolet light or sunlight, an applied voltage, and a photocatalyst to destroy harmful pathogens and break down various chemicals in water and wastewater
Environmental Control Apparatus