The TurboDrum IF is an internally fed drum screen which offers a cost effective way to treatment challenges such as hair, fibers and suspended material from industrial applications or municipal wastewaters where they sometimes operate at near nominal flow capacity due to high fiber concentration in the solids load. These fibers agglomerate and absorb grease as they tumble towards the discharge end of the drum screen, cleaning the openings, allowing liquid to drain, and enhancing the effectiveness of the rotary screen’s dual spray wash system.