ultraviolet germicidal lamp base:G5/G13 material:boric or quartz wavelength:185nm/254nm ultraviolet germicidal lampFeature:1,Killing bacterium widely used in public palce ... ,school etc. and water treatment,purifying air.2,Emit strong ultraviolet radiation, have good function of sterilization Power(w)Length(mm ... .5520589.80.370.5530894.60.4050.62401199.40.420.65 ultraviolet germicidal lamp