The Westgate Mfg T8-EZ5-GS-4FT-18W-40K-F is an 18W 4-foot T8-EZ5 LED glass tube lamp suited for direct-wire or compatible ballast retrofits in commercial and industrial linear fixture applications. Delivering 2100 lumens at 4000K with a frosted glass lens and a wide 240 beam angle, it operates on 120277VAC with THD below 20%. UL listed, IP20 rated, with a 50,000-hour rated life and a 5-year warranty.