... factory direct 4.energy saving 80% 1, SKD CFL lamps have glass tubes glued with lower plastic covers, electronic ballasts separated, and ... upper plastic covers welded with metal caps both in B22 and also E27.Detailed Product Description3u energy saving ... rendering CE,ROHS,EMC,GS 3u energy saving lamp(cfl lamp,energy saving lamp, u energy saving lamp) feature:Up to 80 ...