The DI water systems market, valued at around USD 7.9–8.4 billion in 2025, is expected to grow with a CAGR of roughly 7.4–7.6% through 2035, reaching USD 16–17 billion. This growth is driven by the critical requirement for ultrapure water in semiconductor fabrication, pharmaceuticals, medical devices, and labs. Production trends show rising investments in medium- to large-capacity DI systems,