1.Offer free sample 2.CE certification 3.Wavelength:253.7,185 nm 4. OEM service 5.Lifetime:8000hours Features:1.Made of quartz glass, the transmittance strong;2.Ozone concentration is greater than 70% mg/m, UV irradiance is greater than 70µw/cm²(1m);3.Output stability, lights turn can simultaneously output Ozone and ultraviolet to sterilize together;4.The rated time is 8000 hours by special ...