BE R P Enterprise Policarbanate Luminns LED Tube Light (35 watt T5 4feet 4000 lumins, White) The most powerful tube built out of SSD technology. 130 Lumens per watt gives you highest energy savings at the lowest cost. UGR management system gives you a glare free, non straining experience. Fluctuation proof and 1 yaer warranty & LED tube are an economical way of lighting your homes or offices. These LED tube are elegant and compactly designed that not only rate high on quality but also offer reliable performance