COLORLED 6-Pack T8 Led Light Tube, 4ft (1.2M), 18W (Equivalent 48W) 2300 Lm, 6500K Daylight, Without Ballast Dual-Ended Power Aluminum Frosted Cover Lighting Replacement (White Glow) Easy to stall and save 40% to 80% power energy than traditional fluorescent tube and bulbs High light 2300 lumens brightness feeling good use for home, as during the daytime White glow T8 LED widely use in public place, like supermarket, school, office, meeting room, billboard, factory, warehouse, etc. Environmentally friendly materials, no radiation, no hazardous, offer high quality lighting source component Ballast bypass not required. Instant on without any delay, switch on so quick and quiet without any noise