Pure fresh water whenever you want it. The Seagull® IV X-6 Drinking Water Purification System provides all the benefits and effectiveness of the Seagull IV X-1 and X-2 drinking water purifiers in a higher flow rate, higher capacity configuration. This makes it ideal for applications such as restaurants, coffee shops, offices, motor homes, schools and yachts. Now you need never worry how long the water has been sitting in the "fresh" water tanks! Note: This is not a desalination unit.