The Westgate Mfg T8-EZ6-GS-4FT-15W-40K-F is a 4 ft. 15W Type A+B LED T8 lamp with a frosted glass tube, designed for ballast-compatible or direct-wire retrofits in commercial fluorescent fixture applications. Delivering 1,800 lumens at 4000K with a wide 140 beam angle for diffused output, it operates on 120277VAC and carries a 50,000-hour rated life. UL and DLC listed, damp location rated, and backed by a 5-year warranty.