Water filters; water filtering apparatus; filters for drinking water; apparatus for filtering drinking water, all of the foregoing for removal of chromium and other metals from the water and for use in municipal water purification facilities and at the point of entry for water distribution systems
Environmental Control ApparatusConstruction services, namely, building water treatment and purification facilities for the removal of trace elements, namely, chromium and other metals from aqueous solutions and media
Building Construction and RepairWater treatment and purification services for removing trace elements, namely, chromium and other metals from aqueous solutions and media
Treatment of MaterialsDesigning water treatment and purification facilities for the removal of trace elements, namely, chromium and other metals from aqueous solutions and media; engineering services for the construction of water treatment and purification facilities for the removal of chromium and other metals from aqueous solutions and media
Computer and Scientific