S Sensa™ Double-pass reverse osmosis system that produces demineralized water with low conductivity and low bacteria for the cosmetics industry. Membrane Filtration - reverse osmosis T Terion® S Terion® S uses reverse osmosis and continuous electrodeionization to produce high-purity deionized water. It removes dissolved solids and salt for pharmaceutical, microelectronics industry and industrial use. Membrane Filtration - reverse osmosis