D Dusenflo™ Gravity Filter Since 1948, Veolia Water Technologies Canada has developed an expertise second to none in water and wastewater treatment. Among the numerous processes that the company offers to meet various treatment objectives, the Dusenflo™ gravity filter has proven to be an efficient and reliable filtration system. Filtration F FILTRAFLO™ FILTRAFLO™ constitutes a complete range of modular and flexible skid-mounted media pressure filters, for municipal and industrial applications Filtration FILTRAFLO™ FCP-D Granular media pressure filters. Filtration H Hydrotech Drumfilter Patented mechanical self-cleaning drumfilter for municipal and industrial recovery water applications. Filtration