... 3)watts:4W/6W/8W 4)CE, Rohs, 9000h life Quartz glass G4T5E G6T5E G8T5E UV lamps Detailed Product DescriptionThe lamp ... the uvc lamp Features: hot cathode, pre-heat start;material:quartz class ,can be ozone or ozone free !average life time ... of goods in the hospitals, schools, restaurants, homes and offices: Quartz glass G4T5E G6T5E G8T5E UV lamps