The PURA UV20 Series is designed to provide disinfected water at a flow rate of 8 - 10 gallons per minute. This PURA system is ideal for whole house water treatment. In addition to disinfection, the double and triple models provide filtration for the removal of sediment and chemical contaminants. This ultraviolet water treatment system makes a perfect companion to water softeners, distillers, reverse osmosis and ozone systems. The UV20 series has proven to be PURA’s most popular product line and has created an industry standard in whole-house disinfection. LOW PRICE GUARANTEE. WE WILL MEET OR BEAT ANY ADVERTISED PRICE FROM ANY AUTHORIZED PURA UV DISTRIBUTOR. COMPANY MUST BE AN AUTHORIZED DISTRIBUTOR, SYSTEM MUST BE IN STOCK.