Waterwise 4000 Water Steam Distiller - Glass JugThe Waterwise 4000 is so compact and versatile that its widely usedwith excellent resultsby people around the world. You, too, can have a supply of fresh homemade distilled water no matter where you are. Since it requires no installation or hookups, the 4000 is an everywhere solution. Simply fill the stainless steel boiler with tap water, press the start button, and soon you will enjoy the most deliciously pure and refreshing water youve ever had.