... . replace T8 old tube 14w,28w,35w t8 to t5 fluorescent light Specification:14W, 21W, 28W, 35W1, Energy saving 45% ... of surface treatment or PC body4,With pure tri-phosphor fluorescent tube(high efficiency, longer life greater than 8000 hours,Instant ... retarding converter lampholder 12,Installation: Mounting by screw fixing or series connection.13, TUV, CE, RoHS approved14, Month production:100000pcs13, ...