The mechanical filter produced by BETTER EPT can remove suspended matter, sand, iron, manganese and adhesive particles which cannot be removed by precipitation in sewage. The turbidity of the treated sewage is less than 5 mg/L, meeting drinking water quality standards. This mechanical filter can be widely used in electronic power wastewater treatment, petrochemical wastewater treatment, electroplating wastewater treatment, textile dyeing wastewater treatment and so on.