Durastill 42 Gallons per Day, Automatic Water Distiller with 80 Gallon Reserve tank. 150 Gallon Reserve tank also available. Commercial applications unlimited! A giant in the distiller industry. Designed to connect to a demand pump providing distilled water "on tap" throughout a building. Proven to be very dependable over the years. 240 Volt, 20 Amp standard, 208 Volt, 24 Amp available. Made in USA.