SMOevo and PDOevo ozone oxidation systems from Wedeco – a Xylem Brand, use Effizon evo 2G electrodes to produce ozone from oxygen or air using double-discharge gap technology in the treatment of municipal water and wastewater. The electrodes are manufactured from corrosion-resistant inert materials and require little maintenance or cleaning. 855/995-4261; www.wedeco.com/us.