... Good quality material--quartz glass,long life, ozone type & ozone free type VH means ozone typebrief introduction:UV Germicidal lamps emit a ... you provide.Use: These lamps are extensively applied in medical application, pharmaceutical, food industry and biology research, be ... Features: Good quality material--quartz glass,long life, ozone type & ozone free typeShape: Straight,U-shape,pen-shape,various ...