Emaux FOS Series UV Disinfection System 55wThe Emaux FOS Series UV C Disinfection System is an effective product to kill bacteria and other microbes that pass through from the tube as a result to maintain bacteria free and purified water in your fish pond. Features High quality UV C lamp that achieve 98% Sterilization rate Durable UV C lamp has Long Life span, more than 10,000 hours High quality Quartz tube provides more than 99% Transmittance rate Adjustable brackets for simpler and flexible