Ultraviolet Light Water Purifier Whole House UV Sterilizer 55W, 12 GPM. Ultraviolet Light Water Purifier Whole House UV Sterilizer is powerful 55W and 12GPM UV unit. This system is good to kill harmful Bacteria, E Coli, Viruses Fungi, Algae and most microorganisms including cryptosporidium, giardia and many other contaminants. 2 free extra REPLACEMENT 55W BULBS & 3 Mounting Clamps are included in the set. Inlet / Outlet: 3/4 MNTP. UV Lamp Life: 9000 hours (about 1 year). Total Of 3 UV Lamps. Working / nonworking light. If led indicator light on ballast is RED-unit not working. If led indicator light on ballast is GREEN-unit working. What you get in this Set. The item “Ultraviolet Light Water Purifier Whole House Sterilizer 12 GPM +2 Extra Bulbs” is in sale since Tuesday, August 09, 2016. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Filters”. The seller is “ezbuy_365″ and is located in Brooklyn, New York. This item can be shipped to United States.