Profile: Hague Quality Water, International is engaged in manufacturing industrial water treatment equipment. Our customized, patented, whole-house water treatment system includes a full line of water filters and reverse osmosis drinking water system. Our WaterMax® forces a minimal amount of water at high pressure back through the unit. This process flushes the dirt and sediment out of the upper compartment and washes it down the drain. Our reverse osmosis is a filtration process used for water. It works by using pressure to force a solution through a membrane, retaining the solute (dissolved solids) on one side, and allowing the pure solvent (water) to pass to the other side.