... /30W/36W 4.3 years warranty 5.SAMSUNG 5630 LEDS 18 inch LED tube , T8 led tube Japanese with SAMSUNG 5630 ... Efficiency>90%Tube materialPC+Aluminum alloy tube and Aluminum holderColorWarm white,commercial white,Pure whiteLED’S Operating Life50,000 Hours ModelLengthPowerLight sourceLed ... led retrofit tube, pls do not hesitate to inquiry now! 18 inch LED tube , T8 led tube Japanese with SAMSUNG 5630 leds ...