The Westgate Mfg T8-EZX-PRO-4FT-18W-40K-C is an 18W 4-foot T8 LED lamp engineered for high-output commercial and industrial fluorescent fixture retrofits on 120277V. Universal Pro Type A+B compatibility enables ballast-compatible or direct-wire operation, producing 2,340 lumens at 4000K with 010V dimming and a clear lens. UL listed with a 50,000-hour rated life and aluminum housing; rated for dry locations.