The Emco/DO2E LJD Digesters are the latest technology in the battle to eliminate problems with FOG (FATS OILS GREASES) The LJD Digester not only elimnates grease matting, and dangerous sewer gasses, but also reduces odours and ragging problems in sewage pump & lift stations, wet wells, and grease interceptors, while helping to keep your lines clear as well. The LJD Digester is air driven using VAM Technology (Venturi Air Manifold), and requires no chemicals, or other additives. The GREEN solution for your sewer system problems!