* 100% Pure Steam Distilled Water * For Cosmetics, Health & Beauty & more * Guaranteed Pure – Premium Quality Distilled water is water that has had many of its impurities removed through distillation. Distillation involves boiling the water and then condensing the steam. Best quality option if high water purity is essential – distilled water is also preferable to tap water for use in model steam engine boilers and model engines of other types. Available in sizes from 500 ml up to 25 Litres, please select size from dropdown menu above.