B Berkefeld PurBev® Media Filter BERKEFELD PurBev® Media Filter are pressurized filters engineered according to hygienic design directives for food and beverage water treatment. Filter media are chosen in function of the application. Filtration Berkefeld PurBev® Polisher The BERKEFELD PurBev® Polisher is an hygienic design particle filter for food and beverage water treatment. It is used for polishing after sand and activated carbon filtration. Filtration W Whittier-Filtra-Matic™ Filtra-Matic™ pressure leaf filters are designed for large volume liquid filtration. Filtration WHITTIER™ FILTRATION HRD Media Filters Veolia’s High Rate Downflow (HRD™) multimedia filtration produces an extremely high quality effluent thanks to unmatched performance. Filtration Whittier™ L’EAU CLAIRE Veolia’s L’Eau Claire™ is an up-flow deep-bed media filtration technology designed for the effective removal of fine solids, colloidal silica and color. Filtration Whittier™ PowerClean Nutshell Filters PowerClean® filters are among some of the most advanced nutshell filtration technologies available in the market. Filtration