Device Features 1. 7 - stage filtration system with integrated water dispenser. 2. American technology utilizing nano - silver for self - sterilization at all stages. 3. Made in Vietnam. 4. Daily output 320 liters. 5. Tank capacity 15 - 19 liters. 6. High - quality, rust - resistant tap. 7. Self - filling water dispenser with three outlets (hot, cold, and lukewarm) 8. 3 - year warranty on electrical