UV lamp T8 10W 15W 18W 25W 30W 36W 1-sterilization ... and lengh ,can be ozone or ozone free , the life time can reached 9000 hours! Detailed Description of the uvc ... ;material:quartz class ,can be ozone or ozone free !average life time: 9.000 hours; Applications:disinfecting cabinets, microwave ovens, ... goods in the hospitals, schools, restaurants, homes and offices: UV lamp T8 10W 15W 18W 25W 30W 36W