Electrodeionization (EDI) is used to generate pure or ultrapure water using electricity, not hazardous chemicals. Combined with reverse osmosis, EDI is a competitive option which is continuous and chemical free.Omexell is the most recent and most tolerant Electrodeionization (EDI) to be introduced to the market. Omexell uses a patented Spiral Wound design which eliminates the common leaking of traditional plate and frame designs, while offering lower capital and operating costs, and increased feed water tolerance. Omexell provides responsive technical support and training, with no restrictive agreements.