The Westgate Mfg T8-EZX-PRO-4FT-18W-40K-F is an 18W 4-foot T8 LED lamp built for high-output commercial and industrial fluorescent fixture retrofits on 120277V. Universal Pro Type A+B compatibility supports both ballast-driven and direct-wire installations, delivering 2,340 lumens at 4000K with 010V dimming and a frosted lens for uniform light distribution. UL listed with a 50,000-hour rated life and aluminum housing; rated for dry locations.