Our reverse osmosis systems remove up to 99.9% of contaminants: bacteria, viruses, heavy metals, chemicals, microplastics, etc. The OneZero model, with zero electricity, produces 3 liters of pure water every 10 minutes at 3.5 bars, with advanced filtration. Our U4/U5 tabletop fountains provide ambient, fresh, sparkling, and hot water, all filtered through reverse osmosis or ultrafiltration. 3-way taps deliver filtered and non-filtered water. Perfect for boating, businesses, and residences, reduce plastic waste with pure, convenient water at all times.