When failure is not an option, OLS now offers the Dual Stage Ultrafilter (DSU), based on a patented medical grade Mid-Dilution Hemodiafilter. the Nephros DSU incorporates the company’s unique and proprietary dual stage filter technology. The DSU is a significant breakthrough in providing affordable and reliable water filter technology.  The Nephros DSU is a .005 micron filter designed to remove a broad spectrum of bacteria, viral agents and biological toxins. These toxins include salmonella, hepatitis, HIV, Ebola viruses, legionella, fungi and e-coli. The DSU removes these harmful substances more effectively than other water filters currently on the market.

The Nephros DSU’s unique design and materials ensure high flow rates and long life. The true redundant design provides the highest confidence in filter integrity and performance. The Nephros DSU is a truly cost effective, simple and compact means to reliably produce on-site ultrapure water where you need it, when you need it.