... dust easy to clean 3.Have long life T8 Flourescent Light Fixture : material:body steel thickness is : 0.35mmcertificate:CE, CCC, ROHSvoltage ... *40w etc . (upon request)3.radiation prevention , antistatic , mirror reflect .4.better luminous efficiency no noise-offer,low temperature,high color ... every week. E-OEM orders are welcome. Certification: T8 flourescent light fixture with shade