Nephros, Inc. engages in development and sale of high performance water solutions to the medical and commercial markets in the United States.

The company operates in two segments: Water Filtration and Renal Products. It offers ultrafiltration products that are used in dialysis centers for the removal of biological contaminants from water and bicarbonate concentrate; and in hospitals for the prevention of infection from waterborne pathogens, such as legionella and pseudomonas, as well as in military and outdoor recreation, commercial, and other healthcare facilities.

The company also develops and sells medical device products for patients with renal disease, including a second generation hemodiafiltration system for the treatment of patients with end stage renal disease.

In addition, it manufactures and sells water filters that improve the taste and odor of water, as well as reduce biofilm, bacteria, and scale build-up in downstream equipment under the Nephros and Nanoguard brands for the food service, hospitality, convenience store, and health care markets, as well as medical institutions.

The company was incorporated in 1997 and is headquartered in South Orange, New Jersey.