Ultraviolet Light has many specifications. The lamps are from China domestic or Phillip. YUNDA FILTER is a professional manufacturer for all ... filter housing, filter cartridge, connector, valve, faucet, UV light, FRP, etc. YUNDA FILTER has over 10 years export ... experience. Direct price and good service.Ultraviolet Light:specifications as follows:Length:10inch~40inchWatt:4~55wVolt:110v/ ...