... 3) Can killing the bacterium effectively CCFL UV water purifier lamp :The UV lamps usually divided into four wave ... 1) 365 nm wavelength of UVA :it’s usually used in Ore appraisal,money and skin detection,stage decoration, ... etc.2) 253.7nm of UVC lamps: can be used in hospital,school,cinema,public transpot,office,home, etc. ... condition,refrigerator,household appliance etc. CCFL UV water purifier lamp