... and off testing, Aging test, Twisting force testing,Lumen testingTube: With 100% pure triphosphor fluorescent powderPlastic: PBT ... Convenient after-sales service t2 7mm full spiral ESL Verified Information This information is Verified by Bureau ... 13W E14, SPB-15W E14, SPB-18W E14, SPC-20W, SPC-25W, SPC-32W, SPC-45W 2010/08/17 ... E14, SPB-15W E14, SPB-18W E14, SPC-20W, SPC-25W 2010/08/26 --- 2049/12/31 ...