Magic Lighting Inc T8 LED Light Tube 4ft 18W 1600 Lumen 4100K Bright White UL Listed UL Certified LED T8 Tube 4ft. 18 watts 1600 lumen 4100K 18W replaces 36W incandescent light; low heat emitting, 22.8 Years lifespan based on 3 hours per day usage Low Power Consumption reduces daily energy cost by 50% compared to traditional incandescent tube The LED semi-conductor chip is completely embedded in an epoxy resin enclosure, making it extremely durable and safe ***This is a single ended LED light tube, please read the instruction before installing.*** Non-Toxic and No UV Ray, contain NO Lead and NO Mercury. 100% Recyclable and Earth Friendly