HL 4 Pack of T8 LED Fluorescent Tube Light, 4ft 48" Frosted Cover, 16W (36W equivalent), 3000K (Soft White), Single Ended Power, G13 Lighting Fixture, UL Listed Easy to install, simply follow the accompanying T8 LED Tube installation instruction. Ballast remove required. Save 55% on your electricity bill. Replace 36W fluorescent tubes by 16W LED tube. Long lifetime, over 30000 hours. Using plastic and aluminum, glass-free tube, no breakage concerns. No mercury. UL-listed [E471465] to avoid electrical shock and fire hazard, No buzzing. Instant-on light. The starting time is less than 0.5 S, no need to wait for warming up the lamp.