Vertex Water Products, of Mont-clair, Calif., manufactures the PureWater Machine line of light commercial, reverse osmosis filter systems for use in restaurants and coffee shops. The unit is available in three different capacities—150, 250 and 360 gallons per day. The five-stage RO system comes complete with pre- and post-filtration. Units have built-in booster pump and pressure gage to assure consistent operation under any condition. Options available are floor stand, autoflush or DI post-filter.