... water sterilizer Stainless steel housing, quartz UV lamp, quality ballast. UV water sterilizer, UV water purifier,ultraviolet water sterilizerATLAS403-LM units ... efficiency: The low pressure germicidal lamps provides an highefficient way of treating water by UV rays and plus stainless ... or 110V/60Hz- Watage: 16W, 25W, 40W, 55W, 75W - The lamp length: 310mm, 550mm, 890mm- Housing diameter: 65mm or 89mm ...