Waterwise has been manufacturing high quality counter top water distillers for 30 years. The Waterwise Distiller is renowned for its construction quality and consistently high water purity. Waterwise has sold over 300,000 distillers to customers in over 100 countries worldwide. The Waterwise Distiller is used by Consumers, Businesses, Laboratories, Dental/Medical, U.S. Embassies and the US Defense Department. Waterwise Distillers utilize steam distillation to mimic the natural water purification processes found in nature. The steam distillation process used in all Waterwise Distillers removes the chemicals and other pollutants found in water. The Waterwise 4000 Distiller now features a glass collection bottle for added water purity.