H2o Labs Model 100SS Stainless Steel Water Distiller HIGH QUALITY - The entiru Steam Chamber, (including dome), is 100% Stainless Steel. (Grade 304, 18/8) HIGH EFFICIENCY - Can make up to 4 gallons per day. EASY & SAFE operation. Push a single button to start. Thermostatically controlled to automatically switch off. Space saving, durable and portable, (under 8 lbs.) Can easily take it with you on vacations or travels. Ease of maintenance - Easy to clean. No need to purchase and replace dirty filter cartridges.