ECO-WORTHY 4L 750W 304 Stainless Steel Countertop Water Distiller Purifier Pure Water Distiller Filters Water Distillation W/Glass Collection Bottle All stainless steel construction - body case, inner chamber, outside nostrill, vent, cooler pipe cover. And the water drop collector is for glass jar, which is more environmentally friendly and perfect for home use. Automatic shut-off after one gallon cycle, and auto power off when the temper is over 160 degrees. Effectively removes most tap water impurities. Thermostatically controlled, it will switch off at the end of each cycle. This 4L water distiller is suit for home, office, laboratory, travel and so on. Distilled water is pure water that contains no harmful chemicals, minerals, or toxins in it. Tap water is water that has been treated with many different chemicals and that has probably picked up some additional harmful chemicals &amp; substances on its way to you.