Reverse osmosis membrane pore size is only 1 / 50000000 mm, micro-organisms in tap water may be bacteria, viruses, heavy metals, pesticides and all other harmful substances filtered, effective way to eliminate the second time pollution, ensure the safety of the manufacturing of pure water, sanitation. With it, you are not in need to carry those heavy bottles or wait for the delivery of bottled water, you only need to split in their own home straight tap water to drink to be safer than bottled water, cleaner, fresher, more cheap clean water. Beijing Office Tel: 86925100