... more than 8000hours. 3.SS material 11W single open end uv for water sterilization Application:1.For killing harmful germs and ... with the high purity quartz tube, matching with the appropriation uv lamp tube for water treatment, sterilization strong, long time, stable ... :water treatment, food, drink, life and other dield. Specifications:1. UV sterilizers use the 304 stainless steel inside and outside.2 ...