Chemical preparations for water softening; carbonaceous absorbents for the purification of liquids; filter aids in the nature of ceramic particles, chemical preparations, mineral substances, unprocessed plastics, and vegetable raw materials for liquid purification; filter material of vegetable raw materials for purification of liquids; filtering media in the nature of chemical preparations for filtering water; ceramic materials in particulate form for use as filtering preparations for use in liquid purification; mineral substances in the nature of filtering materials used in purifying water
ChemicalsWater treatment apparatus for water softening; installations for water treatment under osmotic process; water desalinating apparatus utilizing reverse osmosis; reverse osmosis filter apparatus; filters for drinking water
Environmental Control Apparatus