Filter for water and water filter system using ultraviolet germicidal UV and Osmosis water filter. UV germicidal water filters. Wholesale whole house water purifier and UV water purifier. This great water system filters water right under the sink, or you can even use it to purify water on a water cooler at the office, giving you clean, pure water. It's also a great add-on to any reverse Osmosis water system or other water filtration systems under 1 gallon per minute. With its fast flow rate of up to 1 gallon per minute this water purification system is also perfect for refilling your bottled water or other drinking water bottles. In addition, it's perfect for use as an on demand pure drinking water system.