More informationTUBOLED GLASS VB White glass LED tubes. 330 °: wide curve of light distribution. Color rendering> 80. Power supply 220-240V. Operating position: universal. Replacement of 18W, 36W and 58W T8 tubes: high energy savings. Immediate start-up, no flickering and humming. Optimal flow maintenance. HOW TO USE Lamp not suitable to work with dimmer. In case of fluorescent tube replacement, follow the assembly instructions. See assembly instructions. Not to be used in series installations.