The Westgate Mfg T8-EZX-PRO-4FT-12W-40K-F is a 12W 4-foot T8 LED lamp designed for direct retrofit in commercial and institutional fluorescent fixtures operating on 120277V. Featuring Universal Pro Type A+B compatibility, it delivers 1,560 lumens at 130 LM/W with 010V dimming capability for integrated lighting control systems. UL listed with a 50,000-hour rated life, clear lens, and aluminum housing; rated for dry locations.