4 ft T8 LED Tube Light, 18W, 5000K, Type A+B Ballast Compatible

The 18W T8 LED tube is a direct replacement for standard 4 ft fluorescent lamps, suited for commercial and industrial applications including offices, warehouses, and retail spaces. It operates in Type A or Type B mode, allowing compatibility with existing fluorescent ballasts or direct line-voltage wiring. The tube delivers 130 lm/W luminous efficacy at a 5000K color temperature with a CRI of 80 or above. A power factor exceeding 0.97 minimizes reactive energy loss. Rated for 50,000 hours of service life, the unit features an Epistar SMD2835 chip and a clear cover for uniform light distribution. This product carries a 3-year limited warranty. UL listing is indicated in the product description; buyers should verify listing documentation prior to specification.