Shaftless screw conveyors from Sodimate transport sludge or grit between two points without altering feed accuracy or damaging product particles. Designed to be paired with a sludge mixer, units can also collect grit from shakers, classifiers and screens. The conveyors can be custom-fabricated with various liner materials. They can be interconnected in various configurations, can be inclined or horizontal, and can extend up to 100 feet. 773/665-8800; www.sodimate-inc.com.