6GPM Ultra Violet UV Sterilizer Water Filter System UVLEUsage: Installed to remove all Bacteria, E coli and Impurities from your water. Description: Our UVLE 6GPM (GPM= Gallons Per Minute) UV Whole House Ultra Violet Light Steriliser Disinfection System is to be installed on the water mains before the water enters the premises (after the pump on the well or before the rising mains) resulting in complete safety against E coli, coliform bacteria and other dangerous viruses and bacteria's as the 6GPM UV