M Mangaflo™ Mangaflo™ is a manganese and iron removal treatment process of water for human consumption. Filtration O Opus™ The Opus™ technology is a proprietary Optimized Pretreatment and Unique Separation process for desalination of feed water with high concentrations of silica, organics, hardness, heavy metals, boron and particulates. Membrane Filtration - reverse osmosis