A ACTIFLO® Disc ACTIFLO® Disc is a polishing solution designed to achieve high removal levels of suspended solids and phosphorus in municipal and industrial wastewater for water reuse. Filtration H Hydrotech Discfilter Discfilter offers a large filtering area in a small footprint for municipal effluent polishing and industrial water reuse. Filtration M METCLEAN™ A patented process capable of removing heavy metals (arsenic, cadmium, lead, zinc, nickel, iron, manganese, arsenic, uranium etc.) from different types of water, including industrial wastewaters. Adsorption