Municipal and industrial wastewater needs to be treated to keep the environment healthy. With a growing population, the demand for wastewater treatment plants is increasing, and therefore, the demand for pumps also increases. Pumps of Fairbanks Nijhuis can be found in a multitude of municipal sewage treatment plant applications around the globe, ranging from raw sewage influent and return activated sludge to filter backwash and effluent. They are soundly constructed for trouble-free operation with impellers designed specifically for the free passage of solid and fibrous matter.