UltraViolet Water Disinfection System Stainless Steel 304 UV Sterilizer 1GPM with 12W Ultra violet Lamp, inlet/outlet Female 1/4 Inch,Ballast with LED& Sound Failure Alarm,(Add 1 Extra UV Lamp) Flow Rate:1GPM,UV lamp: 12W Voltage:110VStandard US Plug LED & SOUND Failure Alarming Ballast Stainless steel 304 Chamber, Inlet/Outlet: 1/4"Female Add 1 Extra UV Lamp Kills 99% of all bacteria and virus