Durastill 8 Gallon per day Automatic-Fill Water Distiller with 4 Gallon Reserve Tank Durastill 30-4CT Counter top Water Distiller Head and 4 Gallon Storage tank Manual Fill Operation - with float technology to stop production when storage tank is full 316 Alloy stainless steel evaporator Incoloy (stainless steel) heating element - 1000 watt Plugs into 115 volt outlet