Fortrans Inc.’s DIF-JET non-fouling injectors make diffuser cleaning a thing of the past. With a new top-down variable depth aeration system that saves energy by providing deep aeration with low pressure blowers or compressors, patent-pending circulation and mixing designs can eliminate problems caused by poor mixing of aerated water. The exterior manifold designs make adding dissolved oxygen to tanks, basins and lagoons easy, sensible and affordable, eliminating high maintenance floating aerators.