STERLING BERKEFELD Trademark

Unprocessed plastics, mineral and vegetable substances, chemical preparations, all in the nature of filtering materials for domestic, commercial and industrial uses and in the beverage industry, filtering sand, activated carbon, activated charcoal, resins for cation and anion exchangers, anthracite for filtering purposes, ceramic materials in particulate form for use as filtering media, filter candles of ceramic material for filtering

Water filtering units for domestic or industrial use; drinking water filters; sewage treatment units; water decontamination apparatus, namely, reverse osmosis purification units, membrane filter units, ion exchange units, water sterilization units, ozonation units and electro-deionization units for domestic or industrial use; water purification units, water desalination units