Tough hidden tanks fit hard to access out of sight places. Areas not usually used e.g. under pool ledges, bottom of steep hill, under the home etc. It can fit into the most awkward places out of sight, keeping your home beautiful. Without the visual pollution of hard construction tanks. Cement slab not needed neither is heavy machinery to mess up your garden. Available from 870 lt (230 Gal.) to 9500 litre (2500 Gal.)