The Westgate Mfg T8-EZ6-GS-4FT-18W-35K-C is a 4 ft. 18W Type A+B LED T8 glass tube designed for direct retrofit into existing fluorescent fixtures or ballast-bypass installations in commercial and institutional applications. It delivers 2,250 lumens at 3500K with a clear glass lens and 120 beam angle on 120277VAC, requiring no dimmer. UL Listed and DLC qualified, it carries a 50,000-hour rated life and damp location rating for broad deployment across offices, schools, and retail environments.