Tersano lotus LWT100 Water Treatment System 2-stage countertop water purification system uses the same ozone technology as most bottled water companies and municipalities Kills germs with ozone; filters remaining contaminants with activated carbon; NSF certified Safely treats tap water, well water and drinkable lake water Includes a base unit, processing carafe, clean-water carafe and carbon-block filter Weighs 9.1 pounds shipped; 1-year limited manufacturer's warranty