4-Packs of SuperonlineMall&trade; T8/T10 LED Light Tube, 4ft/48"/1.2m,18W (40W equivalent), Replace fluorescent tube, Dual-end powered, 6000K (White), Milky Cover, CE & RoHS qualified High efficiency: 18 Watt LED light tube replace a normal 40 Watt Fluorescent Tube Save up to 60% on your electricity bill!!Reduce re-lamp frequency with a lifetime of 45,000+ rated hours No flickering, No UV light emission, No buzzing ballast, No hazardous materials Material: Top quality Aluminum & superior PC ; CE & RoHS Qualified Simply remove and replace current T8 bulbs, no need to remove current ballast