The SSS Spiral Screw Screen is a compact and economical screen for the removal, dewatering, washing, and transport of screenings. It is ideal for small treatment facilities looking for an economical and high performing headworks solution. Available screen openings range from 3mm to 6mm diameter perforations. The captured screenings are washed, compacted, and dewatered before being discharged. The model is customized for the flow of the plant and the plant civil structure requirements. U-troughs with removable covers facilitate maintenance and cleaning while also including a high-quality liner for long life and low noise.