... 2.1 year warranty,50,000h life. high quality uv grid lamp 1.High brightness,A+ standard 2.manufacturer Cheap ... health; UVC 200-275nm are widely applied to drinking water,pure water, medical, electronic, air sterilizing and cleaning, sewage ... technology reached the international advanced level2,Strick quality control and testing before shipment3,Uniform light distribution4,Lifelong technical ...